Answer:
Different temperatures.
Explanation:
AT room temperature water is liquid, at 32 degrees f it freezes, and at 212 degrees f, it boils, or becomes a gas.
Since these tempretures all exist on earth, water exists in all of these forms
Which additional muscles are involved in increasing the size of the thoracic cage during forced inspiration after heavy exercise?
During inspiration the diaphragm and the external intercostal muscles tighten, causing an expansion in the thoracic cavity volume. The squeeze of the diaphragm accounts for approximately 75% of the air conditioning during normal breathing.
Which muscles are utilized when inspiration is forced?
The primary inspiratory muscles are the diaphragm and exterior intercostals.
What muscles promote the thoracic cage?
The External Intercostal Muscles Develop the Thoracic Cage by Elevating and Extending the Sternum. The external intercostal muscles develop on the inferior surfaces of the proximal parts of the ribs and insert into the best and distal parts of the next lower rib.
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Seaweed cover increased the most when both urchins and limpets were removed. How might you explain this result?
Only urchins were removed, which resulted in an increase in limpet population and decrease in seaweed cover.
Sea urchins and limpets both consume seaweed, making them competitors for it. The limpet population grows as a result of the urchin removal, having a greater impact on the amount of seaweed present.The biodiversity of these settings can be wiped out if seaweed builds up in bodies of water. This issue arises when there is an overabundance of algae, which, in search of additional food, proliferate aggressively and cause pollution. Additionally, life might end where there is pollution. Hedgehogs and limpets can play a significant role in this situation because they feed on seaweed, which helps to control the problem of its excessive profusion. A lot of research has been done to determine the value of these two species in preventing pollution brought on by the growth of seaweed. When the sea urchins and limpets were removed in the study mentioned in the question above, seaweed cover rose significantly more than when only the sea urchins were removed. This most likely occurred because the limpet population expanded and the amount of seaweed was reduced when only the hedgehogs were eliminated.Learn more about the Seaweed with the help of the given link:
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Which part of the human brain distinguishes it from the brain of other animals? midbrain hindbrain forebrai
The part of the human brain that distinguishes it from the brain of other animals is forebrain.
Brain is the largest and he most complex organ of the vertebrates, especially humans. It is protected by the skull on the outer side. The brain is divided into two parts: the right hemisphere and the left hemisphere. The brain has three parts: the forebrain, the midbrain and the hindbrain.
The forebrain is the most complex part of human brain. It consists of cerebral cortex that especially separates it from all the other organisms. The cerebral cortex controls the intelligence, thinking ability and language.
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Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. This result indicates that the transplanted cells were a. totipotent. b. determined. c. differentiated. d. mesenchymal.
Nervous system tissues can be created by transplanting cells from a frog embryo's neural tube to the ventral region of another embryo. This outcome demonstrates the differentiation of the transplanted cells.
The formation of nerve tissues begins with the neutral tube. As a result, when the transplanted cells were placed in another embryo, they developed into nerve tissues.
Tadpoles with undifferentiated gonads can undergo male-to-female or female-to-male sex reversal depending on whether they are exposed to estrogen or androgen. These results imply that sex steroid hormones play significant roles in the development of early sex differentiation. Some frog species exhibit sexually dimorphic expression of the androgen- and estrogen-synthesizing genes Cyp19a1 and Cyp17a1 in the early stages of gonad differentiation. The X. laevis'mass-in-line' structure, made up of cyp17a1/cyp19a1-expressing cells, plays a role in the creation of the ovarian cavity.
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which protein of the electron transport chain does not pump protons out of the mitochondrial matrix?
Complex II protein is unique in another important way. Unlike Complexes I, III, and IV, it takes part in the electron transport chain but does not actively pump protons across the inner mitochondrial membrane.
here The mitochondrial inner membrane has a unique composition of proteins and phospholipids, whose interdependence is crucial for mitochondrial function.It is highly enriched in proteins specific to this membrane, the majority of which are encoded by the nuclear genome and imported from the cytosol.here Complex II is comprised of two hydrophilic proteins, flavoprotein (Fp) and iron-sulfur protein (Ip), and two transmembrane proteins (CybL and CybS), as well as prosthetic groups required for electron transfer from succinate to ubiquinone.
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What is the raised groove formed on the dorsal side of the two-layered embryonic disc?
Primary streak is the raised groove formed on the dorsal side of the two-layered embryonic disc.
Primary streak is fashioned on the dorsal facet of embryonic disc around fifteenth day of life and is answerable for the formation of notochord and the 1/3 germ layer namely mesoderm. The notochord is shaped through the addition of cells to its caudal cease because the primitive streak degenerates.
The germ layers expand early in embryonic existence, thru the device of gastrulation. for the duration of gastrulation, a hollow cluster of cells called a blastula reorganizes into number one germ layers: an internal layer, called endoderm, and an outer layer, called ectoderm.
The chorion is a membrane enclosing the chorionic hollow space and paperwork from trophoblast cells and extraembryonic somatic mesoderm. The connecting stalk connects the embryo and yolk sac to the chorion and suspends them inside the chorionic sac.
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compare and contrast cells,organs,organ system,organelles and atoms.
Living things follow a hierarchy from little to large and are highly structured and organized from atoms to organs system.
The lowest and most basic unit of matter is the atom. It consists of an electron-surrounded nucleus. Moles are made of atoms. . Numerous biologically significant molecules are macromolecules, which are huge molecules created typically by joining monomers, or smaller building blocks. The macromolecule deoxyribonucleic acid is an illustration (DNA).
Organelles are collections of macromolecules seen in some cells that are encased in membranes. Organelles are tiny organelles that carry out specific tasks within cells. All living things are composed of cells, and cells join to form tissues, which are collections of cells with a common function. Organs are groups of tissues arranged in a specific way tissues grouped together based on a common function. An organ system is a higher level of organization that consists of functionally related organs.
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When information was not available for a plant the, herbalist?
Herbalists are those who gather or trade in herbs, particularly those used medicinally. Herbalists look for the underlying cause of sickness.
Based on the signs or diseases a patient explains during the consultation, practitioners will select herbs. Additionally, Herbalists will conduct a clinical examination, looking at specific body parts, and write a unique prescription. Herbalists can provide secondary or primary healthcare, and they typically start by diagnosing the patient based on their medical background. This past contains elements like eating preferences and way of life. With the patient's cooperation, the herbalist would typically develop a herbal strategy to treat the issue after identifying it. This herbal therapy could include a particular form of complementary medicine, like Ayurvedic medicine.
The complete question is :
Herbalist usually treats the illness with medicinal plants. When information was not available for a plant the herbalist works and researches on the plant to find further information about the plant. What is a role of herbalist here?
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Which form of energy is an input for photosynthesis?
A. Light energy
B. Mechanical energy
C. Electrical energy
D. Nuclear energy
Answer:
A. Light Energy
Explanation:
Light energy is a type of wavelength that excites the electron that is in the chlorophyll of photosystems that is required for the formation of energy.
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Replacement of dead tissue cells with connective tissue cells is a process called?
Regeneration is a sort of healing when new growth entirely transforms injured tissue sections back to their pre-damage state.
What is regeneration of connective tissue cells?After being destroyed, cells and tissues can be repaired via connective tissue or by parenchymal regeneration and replaced with healthy cells. Granulation tissue development is the first step in connective tissue repair.
Regeneration is a natural process that occurs in both plants and animals to replace or bring back to full function cells, tissues, organs, and even complete body parts.
The most sensible and efficient treatment for both the primary degenerative effects (secondary ligament damage) and their underlying cause (ligament damage).
Therefore, regeneration is a process in which replacement of dead tissue cells with connective tissue cells.
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hylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. What are saber teeth for these organisms?
Answer:
analogous structures
Explanation:
In biology, homologous structures refer to the structures that arose from a common ancestor, whereas analogous structures refer to the structures similar in function but do not have a common ancestor.
The analogous structure of Thylacosmilus and Smilodon can be explained as:
Thylacosmilus is a marsupial, which has saber teeth. The organism is extinct and the saber-toothed. The tooth of the marsupial was very long and represented as pointy fangs.
Smilodon belonged to the mammal group and is a group of extinct species. These animals also had saber tooth due to adaptations to the environment.
The saber tooth of marsupial and mammals might have the same functions, but they don't share the common ancestors.
Therefore, the correct answer is analogous structures.
A company is like a body with guts, a heart, and a nervous system. ________ is the nervous system, concerned with business signals and recording facts and processing them
Answer:
Information Management
How many seconds are in half an hour?
Answer:
1800
Explanation:
60*30=1800
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The cellular structure involved in controlling the concentration of solutes within the cell is the.
The cellular structure involved in controlling the concentration of solutes within the cell is the cell membrane.
In the field of science, the cell membrane can be described as an organelle that is a selectively permeable membrane through which selective substances move in and out of a cell.
The cell membrane acts as a barrier as to which molecule will move across a cell. In this way, the concentration of solutes, as well as solvents, is controlled inside a cell by the cell membrane.
Carious transport methods, such as active transport, diffusion, and facilitated diffusion, are used for the transportation of solutes inside a cell. The cell membrane maintains a favorable environment for a cell by controlling the concentration of solutes that are to be present inside the cell.
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One hormone molecule can stimulate the synthesis of hundreds of enzyme molecules. what is this known as?
One hormone molecule can stimulate the synthesis of hundreds of enzyme molecules. This known as Signal amplification.
Endocrine signalling involves the secretion of signalling molecules (hormones) by specialised endocrine cells, which are then transported through the bloodstream to act on target cells in distal body regions.Through their binding to particular hormone receptors, hormones cause changes in target cells. In this approach, hormones affect just those cells that have the required receptors, even though they circulate throughout the body and come into touch with a variety of cell types.The signal produced when the probe molecule hybridises to the target nucleic acid sequence is increased or amplified through signal amplification. Specific detection, dynamic range, usability, and reproducibility are benefits of signal amplification techniques.To learn more about Signal amplification.
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What are two common anti-patterns during program increment (pi) planning? (choose two.)
The two common anti-patterns during program increment (pi) planning are:
pressuring teams to overcommit, a detailed plan becomes the goal rather than alignment.Thus, this is important as teams focus on one iteration at a time, before trying to make a solid plan for iteration one and then going back for a deep dive in iteration two, etc.
What is Program Increment Planning?This refers to the track laying for a train to ensure that all the train cars go in the same direction
Hence, we can see the two common anti-patterns during program increment (pi) planning are:
pressuring teams to overcommit, a detailed plan becomes the goal rather than alignment.Thus, this is important as teams focus on one iteration at a time, before trying to make a solid plan for iteration one and then going back for a deep dive in iteration two, etc.
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biological evolution is defined as group of answer choices change in the properties of organisms over the course of development. directed change of organisms towards greater complexity. change in the properties of groups of organisms over the course of generations. random mutations and natural selection.
Biological evolution is defined as: change in the properties of organisms over the course of development.
Evolution is the phenomenon of change in the genotype or phenotype of an organism over the course of time. The result of evolution can be a new species or the same species with new characteristics. Evolution makes the organisms survive better in the changing environment.
Development is the progressive growth of an organism. The change in shape, size, and functions of the organism determine its growth. Change in mass is not a criteria for development. The change of a zygote into a completely mature organism can be considered as an example of development.
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During serum protein electrophoresis, antibodies primary migrate in the ________________ fraction.
During serum protein electrophoresis, antibodies primarily migrate in the alpha fraction.
What is serum protein electrophoresis?Patients with multiple myeloma as well as other serum protein problems are recognized by serum protein electrophoresis. Proteins are divided during electrophoresis according to their physical characteristics, and the subsets of these proteins are then utilized to interpret the results. In reaction to acute inflammation, cancer, trauma, necrosis, infarction, burns, and chemical damage, plasma protein levels alter in a generally predictable manner.
Monoclonal gammopathy is indicated by a homogenous spike-like peak in a concentrated area of the gamma-globulin zone. Multiple myeloma, Waldenström's macroglobulinemia, solitary plasmacytoma, smoldering multiple myeloma, monoclonal gammopathy of undetermined significance, plasma cell leukemia, heavy chain disease, and amyloidosis are all examples of monoclonal gammopathies, which are linked to clonal processes that are malignant or potentially malignant.
Therefore, during protein electrophoresis, antibodies primarily migrate in the alpha fraction.
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Review the definition of exaptation in Concept 25.6. Summarize the process by which exaptation occurs and explain how the incorporation of the articular and quadrate bones into the mammalian inner ear is an example.
Exaptation may be defined as a characteristic that is present in an organism or set of organisms that develops a new function or role that differs from its original function as a result of the process of evolution such as the role of feathers in birds.
For instance, the malleus and incus, two novel bones in the middle ear of mammals, are analogous to the quadrate and articular bones. The primary jaw joint's incorporation with the mammalian middle ear required the emergence of a novel technique of upper and lower jaw articulation. Thus, the two elements came together to create the distinctive mammalian cranium.
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In a DNA double helix, a region along one DNA strand has this sequence of nitrogenous bases: 5'-TAGGCCT-3'. Copy this sequence, and write down its complementary strand, clearly indicating the 5^{\prime} and 3' ends of the complementary strand.
The complementary strand of the DNA sequence given above is as follows: 3'-ATCCGGA-5'.
How is DNA complementary strand formed?DNA is a double-stranded molecule that runs in 3'-5' direction on one strand and 5'-3' direction on the other strand.
DNA molecule must be replicated i.e. making of duplicate copy prior to cell division.
One strand of the DNA molecule is used to synthesize a new strand. Since the DNA molecule is made up of monomers called nucleotides, which are four in number, the following pairing applies:
Adenine pairs ThymineGuanine pairs CytosineTherefore, the complementary/opposite strand of the DNA sequence given above is as follows: 3'-ATCCGGA-5'.
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The three domains you learned about in Concept 1.2 can be represented in the tree of life as the three main branches, with three sub branches on the eukaryotic branch being the kingdoms Plantae, Fungi, and Animalia. What if fungi and animals are more closely related to each other than either of these kingdoms is to plants-as recent evidence strongly suggests? Draw a simple branching pattern that symbolizes the proposed relationship between these three eukaryotic kingdoms.
Fungi are more like animals because they have heterotrophs as opposed to Autotrophs , like plants , that make their own food.
What is the relationship between fungi and animals ?Fungi have evolved mutualism with numerous insect. Arthopods depends on the fungs for protection from predators and pathogens.
Animal and plant interactions with fungi
In terms of their place in the food chain, fungi and mammals are most similar. Animals and fungi do not generate food like plants do. Therefore, outside food sources provide a source of energy for both mammals and fungus.
In addition, research published in 1998 by experts suggests that fungus descended from mammals 9 million years after plants. This implies a closer relationship between fungi and plants.
Chitin, a substance also present in fungi and animals, is absent from plants. Chitin makes up the cell walls of fungi as a structural element.
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the arrangement of erythrocytes on this peripheral blood smear can be associated with each of the following conditions except:
The arrangement of erythrocytes on this peripheral blood smear can be associated with all conditions except cold agglutination disorders.
What are erythrocytes?Red blood cells, also known as erythrocytes or RBCs, are biconcave, anucleate cells that contain hemoglobin and carry oxygen and carbon dioxide between the lungs and organs. Erythropoiesis, a process in the red bone marrow, is what creates them. Erythroid precursors generated from stem cells go through a number of morphological changes to become adult erythrocytes during this phase.
These fully developed RBCs are discharged into circulation, where they remain for 100 to 120 days. As you can see, erythrocytes are difficult to trick since they accurately represent your health over the previous three months. This is the rationale behind the glycated hemoglobin (HbA1c) test that diabetics take to assess their blood glucose levels every three months.
Therefore, the arrangement of erythrocytes on this peripheral blood smear can be associated with all conditions except cold agglutination disorders.
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Who developed the culturing technique to enrich for a certain population of microbial cells from a complex community based on a particular metabolic phenotype of interest?
The one who developed the culturing technique to enrich for a certain population of microbial cells from a complex community based on a particular metabolic phenotype of interest is Martinus Beijerinck. The correct option is C.
What is culturing technique?Culture methods involve collecting samples from the field and culturing them to detect the presence of microbes.
The number of microbial species and their influence on corrosion are estimated. Culture media for various microbes have been established.
Culturing is simply the process of growing microorganisms in special media in the laboratory. It entails the preparation of sterile medium, as well as the inoculation, incubation, and examination of microorganisms.
Martinus Beijerinck invented the technique for enriching a specific population of microbial cells from a complex community based on a specific metabolic phenotype of interest.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
A. Frederick Griffith
B. Joseph Lister
C. Martinus Beijerinck
D. Sergei Winogradsky
Using the data in the last two columns, calculate the mean ACTH concentration 30 minutes post-waking for the surprise protocol and compare to your answer for Question 3. What do your results suggest about a person's physiological response immediately after waking?
The correct answer is The consistency of the two ACTH concentrations shows that 30 minutes after awakening, the body regulates the ACTH level.
Corticotroph cells in the anterior pituitary gland generate adrenocorticotropic hormone. Throughout the day, the circulation is subjected to a number of intermittent pulses.
The hypothalamus, pituitary gland, and adrenal glands are three interrelated body regions that have an impact on the synthesis of adrenocorticotropic hormone.
When one wakes up, melatonin levels have peaked, cortisol levels have increased, the body temperature has normalized, and the mind is engrossed in their dreams. Increased melatonin levels during deep sleep strengthen the immune system, shield you from infections, and have potent anticancer properties.
The mean ACTH concentration at 30 minutes after awakening for the surprise procedure is 25.5 + 22.1 = 47.6 pg/mL. This level is quite comparable to the one found 30 minutes after awakening in the short procedure group (47.9 pg/mL).
It is possible to assume that the body raises the ACTH level to a set value by 30 minutes after awakening, regardless of what it was, given that the two groups' ACTH levels were varied upon waking but remarkably identical at that time.
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one of a botanist's hybridization experiments with peas yielded offspring with of those peas (or %) having yellow pods. according to genetic theory, 25% of the offspring peas should have yellow pods.
To test if the difference between the observed and the expected frequencies in a population, are significant or not, we use the X² test. This difference does not have statistical significance. The population is in H-W equilibrium.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory that states that when a population is in equilibrium, allelic and genotypic frequencies remain the same though generations.
If the observed frequencies differ from the expected ones, propably this is because an evolutive force is going on.
However, this difference might also be related to random chances. So, statistical analysis must be done to determine if the differences between the observed and expected values are significant or not.
To do it, you perform a chi square test, X².
yellow pods green pods
Observed values 181 (26%) 523 (74%)
Expected values 176 (25%) 528 (75%)
(Obs - Exp)² / Exp 0.142 0.047
X² = Σ(Obs-Exp)²/Exp = 0.189
Degrees of freedom = n - 1 = 2 - 1 = 1
Table p value = 3.841
P₀.₀₅ > X²
3.841 > 0.189
P₀.₀₅ value is greater than X², so there is not enough evidence to reject the null hypothesis. The locus in this population might be in equilibrium.
The difference between the observed and the expected values is not significant.
According to the genetic theory, 176 of the 104 peas would have yellow pods. The difference between the actual number of peas with yellow pods and the expected number of peas with yellow pods is 5 pea(s). This difference does not appear to be statistically significant.You can learn more about the H-W equilibrium and chi-square test at
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Prokaryotes do not have what?
are organisms whose cells lack a nucleus and other organelles.
Answer: nucleus membrane-bound organelles
Explanation:
they lack a nucleus, mitochondria, and other advanced cell structures.
The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues.
The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound. The test get progressively faster as it continues until the student reaches their max lap score.
The PACER Test score is combined in the FitnessGram software with scores for muscular strength, endurance, flexibility and body composition to determine whether a student is in the Healthy Fitness Zone™ or the Needs Improvement Zone™.
How is the action of epinephrine on blood flow to muscles in the fight-orflight response similar to the action of the plant hormone auxin in apical dominance (see Concept 39.2)?
The correct answer is The two hormones have opposing actions on various target tissues. Epinephrine increases blood flow to skeletal muscles and decreases blood flow to smooth muscles in the digestive system during the flight or flight reaction. Auxin encourages the growth of apical buds while inhibiting the growth of lateral buds in order to achieve apical dominance.
The adrenal glands and adrenergic neurons produce epinephrine, a hormone and neurotransmitter that is generally referred to as adrenaline. Two hormones generated by the adrenal medulla—epinephrine (adrenaline) and norepinephrine—start the body's fight-or-flight response (norepinephrine).
The airways open up as a result of the adrenaline reaction, giving the muscles the oxygen they require to fight or flee danger. Auxin, on the other hand, induces apical dominance, which is when a shoot's suppresses the growth of lateral buds to enable vertical growth.
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The hormone that causes the ovaries and testes to greatly increase their production of estradiol and testosterone is?
Gonadotropin releasing hormone is the hormone that causes the ovaries and testes to greatly increase their production of estradiol and testerone
What hormone causes females to go through puberty?The adrenal glands, ovaries, and adipose tissue all produce the female sex hormone estrogen, which is principally responsible for puberty-related breast development and the enlargement of the uterine lining throughout the menstrual cycle.
Gonadotropin releasing hormone causes the pituitary gland in the brain to make and secrete the hormone luetinizing hormones and follicles .
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Which of the following statements about environmental changes is true?
OPTIONS
Environmental changes always happen very quickly.
Environmental changes cause instant changes in different species.
Environmental changes cause genetic mutations.
Environmental changes can make a genetic mutation more desirable.
The statement indicating that 'environmental changes may likely cause different genetic mutations' is likely true about environmental changes (Option 3 is correct).
What is the relationship between environmental changes and mutations?The association between environmental changes and genetic mutations is due that environmental factors such as excessive temperature or light conditions, for example, may cause stress on the organism, and therefore they are triggers of genetic mutations.
Mutations are the consequence of the alteration in the genetic material that forms the genome of the cells (either gametic germinal cells or somatic cells) of an organism and these changes depend on the homeostatic control (state of internal equilibrium) in which the organism lives.
In conclusion, the statement indicating that 'environmental changes may likely cause different genetic mutations' is likely true about environmental changes (Option 3 is correct).
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During leaf development, the meristem tissue divides __, producing one daughter cell that is just like the mother and another cell that differentiates into guard cell precursors.
Answer: Asymmetrically