Answer:
They are different but have many similarities
Explanation:
for example a plant cell needs chloroplasts to he able to photosynthesize and I huge vacuole while animal cells have many small vaccoules and not chloroplasts
How can you relate the structures
to those of bryophytes in terms of evolutionary trend
Answer:
Because ferns and fern allies posses true vascular tissues, they can grow to be much larger and thicker than the bryophytes.
Bryophytes mark the transition to land and the origin of vascular plants, and hence, link the seed and vascular plants to their algal ancestors.
Molecular phylogenetic studies conclude that bryophytes are the earliest diverging lineages of the extant land plants. They provide insights into the migration of plants from aquatic environments to land.What is evolution trends?Evolutionary trends, whether macro evolutionary events across higher taxa and large spans of geologic time, or more circumscribed events within smaller clades, have long played a prominent role in evolutionary theory.
The identification of trends in the history of life has been used as evidence for the increasing adaptions of life, for evolutionary progress, and more recently as support for selection at multiple levels.To know more about evolution here
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HELLLLPPPPP
1. Find the graph paper in your kit and graph your results by putting the generation number along the x-axis and the number of bears along the y-axis. When drawing the lines, use a different color to represent each type of bear. (Make sure to indicate which color goes with which type of bear.)
2. Summarize the trends you see in each population from each generation.
a. Dark bears-
b. Light bears-
3. Explain how this experiment demonstrated natural selection.
Based on the nature of their environment, natural selection will favor the bear type that is better suited to its environment.
What is natural selection?Natural selection is a process of evolution in which organisms which are better suited to their environment are selected for survival.
In the bear population, natural selection will favor each bear type that is better suited to its environment.
In cold and icy environments, the light bears are better suited to their environment and are naturally selected for survival.
In temperate and warm climates, dark bears are better suited to their environment and are naturally selected for survival.
Therefore, natural selection will favor the bear type that is better suited to its environment.
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Answer:
THIS PROBABLY ISNT 100% ACCURATE, AND BE SURE TO CHANGE UP SOME OF THE ANSWERS
1. Find the graph paper in your kit and graph your results by putting the generation number along the x-axis and the number of bears along the y-axis. When drawing the lines, use a different color to represent each type of bear. (Make sure to indicate which
color goes with which type of bear.)
Okay, this is REALLY simple. Just make a graph with the info given to you.
2. Summarize the trends you see in each population from each generation.
a. Dark bears— Dark Bears with their arms up always had double to amount of the Dark bears with their arms down, and past Generation 3 the Dark Bears had more numbers than the Light Bears
b. Light bears— Light Bears start off with only arms down, and when arms up bears are introduced, they are more common/prevalent for the majority of the generations, having usually twice as much as the bears with the arms down.
3. Explain how this experiment demonstrated natural selection.
This experiment shows natural selection by hosting events in which certain bears are put more at a risk than other bears, such as environment changes favoring dark bears, or bears with their arms up.
4. If the environmental situation changes, is it possible for a population to be restored?
Via adaptations, it is completely possible for a bears population to thrive again, but perhaps not with the same characteristics.
5. How can natural selection help explain how a population becomes extinct?
As the environment changes, it may favor a species less and less, which leads to their decline, if they are unable to change with the times and adapt, the species will go extinct as it is no longer fit in its environment.
6. Which generations saw a population altering incident? Use your imagination to invent a possible environmental incident that could have caused this shift in populations.
The Light Bears faced a decline, and most bears with their Arms Down faced a decline too. Light bears could be explained via environmental factors, such as their original habitat being snowy, and without the snow they're more visible given their lighter colors. Arms down could simply be a dominants v recessive trait
7. How can environment impact a particular population of a species?
If a certain species is not fit for the changes made in an environment, it could result in either their extinction, or a mutations/adaptations so that the species can continue to thrive.
8. What are some natural reasons that animals in a population might die?
Competition, not enough resources, environmental changes.
9. What are some man-made reasons that animals in a population might die?
Things such as deforestation, overhunting, and introducing invasive nonnative species.
10. What are some ways that man has helped animals maintain their populations?
Protecting endangered species, rehabilitating injured animals, making animal reservations, etc.
Explanation:
Which types of cells form a cell plate during cytokinesis
Answer:
animal daughter cells
Explanation:
Instead of plant cells forming a cleavage furrow such as develops between animal daughter cells, a dividing structure known as the cell plate forms in the cytoplasm and grows into a new, doubled cell wall between plant daughter cells. It divides the cell into two daughter cells.
What structural classification describes this neuron?.
Answer:
Structural classification of neurons
Explanation:
Structural classification of neurons is based upon the number of processes that extend out from the cell body. Three major groups arise from this classification: multipolar, bipolar, and unipolar neurons. Multipolar neurons are defined as having three or more processes that extend out from the cell body
Microorganisms that are removed by mucus are destroyed by the.
fungs it breaks down trees that are dead
Explanation:
A chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. What is the type of inheritance pattern?
A.
codominance
B.
incomplete dominance
C.
polygenic
D.
recessive
E.
single gene dominant
Reset Next
Answer:
A. Codominance
Explanation:
Which trait is least likely to be modified by environmental influences? life span height blood type weight
Answer:
It's blood type
Explanation:
im in k12 and had a quiz about it.
How is this unlike making a photocopy of the original dna molecule
Answer:
The process of DNA replication results in a copy of the original DNA molecule. True or false: DNA does not have to break apart to be copied. After DNA replication is complete, there are two new DNA molecules; one molecule has both of the original strands and one molecule has two new strands of DNA.
Explanation:
During light detection in a photoreceptor, light directly causes what molecular change?.
During light detection, the light causes a retinal change from cis to trans conformation in regards to the opsin protein.
What is a photoreceptor?Photoreceptors are the name we use to refer to a specialized form of neuron cells. These cells are crucial in our ability to see, they allow vision. Their job is to receive and interpret light as information. They do this using a protein named opsin, as well as specific conformations of the retina, such as cis or trans, which change with the light.
Therefore, we can confirm that during light detection, the light causes a retinal change from cis to trans conformation in regards to the opsin protein.
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What is the climate and vegetation like in the temperate woodland?
Answer:
woodlands and lush vegetation
Explanation
Deciduous woodlands contain trees with broad leaves such as oak, beech and elm. They occur in places with high rainfall, warm summers and cooler winters and lose their leaves in winter.
Answer:
high rainfall, warm summers and cooler winters
the landscape contains oak, beech, elm, Lichen, moss, ferns, wildflowers and other small plants
The temperature in a temperate woodland & shrubland biome is hot & dry in the summer with temperatures up to 100 degrees F. The winter is cool & moist with the low temperature about 30 degrees F. Precipitation: Annual rainfall is 10-17 in.
Hope This Helps
Which of the following is NOT one of the causes of ocean currents?
A. wind patterns
B. the planet's rotation
C. unequal heating of surface waters
D. the different seasons
pls help
Answer:
D.
Explanation:
Ocean currents do not change the different seasons nor the weather of the atmosphere.
hope this helps :)
Answer:d
Explanation:
What is a day to day example of something that uses infrared light?
Answer:
Remote controllers or night vision security cameras
Explanation:
Hope this helps
Physical stressors to an ecosystem that are removed or corrected first in restoration projects typically include ______.
Answer:
water flow, vehicle traffic and pollutants
Explanation:
6. Multiple genes interact to determine the phenotype.
7. Two alleles are dominant, resulting in offspring that show both phenotypes.
8. One gene has several different forms, resulting in more than two phenotypes.
9. Two alleles are neither completely dominant nor completely recessive, resulting in a phenotype that is a combination of the two
Answer:
6.polygenic traits
7.codominance
8.multiple alleles
9.incomplete dominance
Explanation:
because i did it in savvas and i got it right.
The phenotype of an organism is influenced by the interactions of several genes. This implies that the organism's physical traits are governed by the interplay of several genes that it received from its parents.
When two alleles, or gene forms, are dominant, the dominant allele determines the phenotype of the progeny. This means that even if the other gene is recessive, the progeny will exhibit both traits if one of the alleles is dominant.
Sometimes a gene can take on several forms, producing more than two phenotypes. It is referred to as polygenic inheritance when more than one allele of a single gene affects the phenotype. Other times, two alleles are neither fully dominant nor fully recessive.
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which of the strands below is NOT a strand of rna?
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OptionB. ATGCTTGCAGTCCATGAC✓
It is the only strand that includes "T" or thymine which is only found in DNA .[tex]\purple{\rule{15mm}{2.9pt}} \red{\rule18mm{2.5pt}} \orange{ \rule18mm{2.5pt}}[/tex]
[tex]\sf{\:мѕнαcкεя\: ♪...}[/tex]
The _____ theory is the theory of color vision that suggests three types of cones in the retina each make a maximal chemical response to one of three colors: blue, green, or red.
Answer:
It's the Trichromatic theory
Explanation:
Hey Adam are we good with you and I hope your?
Answer: yo whatever you’re going through, just don’t apologize on brainly
Explanation:
are humans susceptible to kind of resource shortages that affect populations of tbe other species?
Answer: People are somewhat susceptible. When it comes to food, you can often see examples of famines in "underdeveloped" countries that are extremely harmful to their populations.
Earthquakes also produce transverse waves that move more slowly than the p-waves. These
waves are called secondary waves, or s-waves. If the wavelength of a s-wave is 2.3 x104 m, and
its speed is 4.5 km/s, what is the frequency?
The frequency of the wave is 0.196 Hz
Speed of a waveThe speed of a wave is given by v = fλ where
f = frequency and λ = wavelengthFrequency of the waveMaking f subject of the formula, we have
f = v/λ
Since
v = speed of wave = 4.5 km/s = 4.5 × 10³ m/s and λ = wavelength = 2.3 × 10⁴ m.Substituting the values pof the variables into the equation, we have
f = v/λ
f = 4.5 × 10³ m/s ÷ 2.3 × 10⁴ m.
f = 1.957 × 10⁻¹ Hz
f = 0.1957 Hz
f ≅ 0.196 Hz
So, the frequency of the wave is 0.196 Hz
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Which of the following is a negative consequence associated with both slash-and-burn and monoculture?
O Decreased yield
O Increased pollution
O Ecosystem disruption
O Reduced biodiversity
Answer:
Increased pollution I think is the right answer
True or false. A trna with an anticodon complementary to the stop codon catalyzes the reaction by which translation is terminated.
Answer:
It is false not true that is the answer
people poisoned by co2 are often given 100% o2 in a room with two to three times normal atmospheric pressure. explain why more oxygen would enter their blood under these conditions
oxygen
Explanation:
oxygen needs to be carriers and put
classify each organism as a carnivore and herbivore or an omnivore
A. blank Buffalo
B. blank bear
C. blank spider
D. blank cow
How would an increase in atp affect the rate of glycolysis?.
Answer:
The rate would slow down.
Explanation:
as ATP binds to the regulatory site, lowering phosphofructokinase activity.
A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile
(a) is a better conductor of heat than the wooden tile.
(b) is polished while wooden tile is not polished.
(c) reflects more heat than wooden tile.
(d) is a poor conductor of heat than the wooden tile
If a srna is bound to the ribosome binding sequence of a mrna coding for an enzyme in a bacteria, what effect will this have on the amount of enzyme in this cell?.
If an sRNA is bound to the ribosome binding sequence of an mRNA coding for an enzyme in a bacteria, it will reduce the amount of enzyme.
What is an sRNA?A small RNA (sRNA) is a short sequence that binds to target mRNAs by base complementarity and thus reduces gene expression.
These sequences (sRNAs) can efficiently block prokaryotic translation in order to reduce the amount of protein.
The sRNAs have fundamental regulatory roles both in bacterial translation and protein production.
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Which of the following is not needed by living organisms?
A.alcohol
B.air
C.energy
D.water
Answer:
alcohol
Explanation:
it is very bad for our health so we dont need it in our life
Which cells are no longer capable of carrying out the process of dna transcription?.
The cells that is no longer capable of carrying out the process of DNA transcription is the Tracheids cells.
Tracheids cells
They are a long and tapered lignified cell in the xylem of vascular plants. The main functions of tracheid cells are to transport inorganic salts and water, and they also provide structural support for trees.
Therefore, tracheids cells is the cell which is no longer capable of carrying out the process of dna transcription.
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Which best explains why it is difficult to classify protists?
Protists are difficult to characterize because of the great diversity of the kingdom. These organisms vary in body form, nutrition, and reproduction. They may be unicellular, colonial, or multicellular.
Why is it difficult to explain one certain way a protist reproduces?It is hard to demonstrate one certain way a protist reproduces :
Some protists use agamic reproduction at one stage in their life and then use gamic reproduction at another stage in their life.
Thus, Protists are difficult to characterize because of the great diversity of the kingdom.
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which is the second highest in the food chain acorn squirrel crow
Answer:
Squireel
Explanation: