Answer:
kingdom, phylum, class, order, family, genus, and species.
Explanation:
kingdom, phylum, class, order, family, genus, and species.
Classification is a grouping of individuals according to their similarities and differences. It is used to group organisms according to ranks of similar characteristics and evolutionary basis.
What are the levels of classification?Classification system is divided into various levels in order to rank the organisms.
It has following levels:
Kingdom: It is the highest level of classification. There are a total of five kingdoms.Phylum: It is classified on the basis of phenetics and phylogenetics.Class: each phylum can contain multiple class.Family: it is group of genera having similar traits.Genus: it helps to determine species of the organisms.Species: it is the lowest rank in this category. It is group of organisms having similar characteristics.Thus, kingdom, phylum, class, family, genus, species are the classification system of organisms.
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The region of the stomach that empties into the duodenum is the.
Answer:
The pylorus
Explanation:
is the part of the stomach that connects to the small intestine. This region includes the pyloric sphincter, which is a thick ring of muscle that acts as a valve to control the emptying of stomach contents (chyme) into the duodenum (first part of the small intestine).
Answer:
The pylorus is the part of the stomach that connects to the small intestine. This region includes the pyloric sphincter, which is a thick ring of muscle that acts as a valve to control the emptying of stomach contents (chyme) into the duodenum (first part of the small intestine).
Explanation:
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What does the Theory of Evolution state and what are the 4 evidences for it? *
Answer:
Mark me brainliest please I really need itExplanation:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species are related and gradually chamge over time.Darwin's theory consisted of two main points; 1) diverse groups of animals evolve from one or a few common ancestors; 2) the mechanism by which this evolution takes place is natural selection.Evidence that supports the theory of evolution are fossils, embryological studies, anatomical and morphological characteristics (homologous organs, analogous organs, vestigial organs), molecular biology (comparing DNA sequences).Let's review how photosynthesis works by looking at the
origin of the output molecules. Please identify which
statements are accurate.
Oxygen is consumed during the process of photosynthesis
An aquatic photosynthetic organism will produce oxygen
bubbles as it carries out photosynthesis
Only plants generate oxygen as a byproduct of photosynthesis
Glucose is consumed during the process of photosynthesis
Photosynthesis is a process that produces sugar
Answer:
Photosynthesis is a process by which green plants turn carbon dioxide and water into food using energy from sunlight.
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Identify the synthetic fibre which resembles wool.
A. Rayon
B. Terylene
C. Nylon
D. Acrylic
Answer:
Acrylic.
Explanation:
Acrylic is the synthetic fibre which resemble silk and wool. It is also known as artificial wool or synthetic wool.
The release of neurotransmitter from the presynaptic cell is an example of:
Exocytosis is highly specialized in secretory cells and neurons, is highly regulated, and constitutes the main cellular mechanism for neurotransmitter secretion.
What is exocytosis?It involves the fusion of the vesicular membrane to the plasma membrane, in a calcium-dependent manner that releases molecules that perform specific functions in the body.
Neurotransmitter exocytosis is an essential part of presynaptic transmission and, by extension, of the functioning of the nervous system.
Therefore, we can conclude that exocytosis is highly specialized in secretory cells and neurons, is highly regulated, and constitutes the main cellular mechanism for neurotransmitter secretion.
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The release of neurotransmitters from the presynaptic cell is an example of exocytosis.
What is exocytosis?Neurotransmitter is saved interior small sacs known as synaptic vesicles and is launched into the synaptic cleft of the synapse while a vesicle fuses with the cell membrane.
When a movement capability depolarizes the presynaptic plasma membrane, Ca2+-channels open, and Ca2+ flows into the nerve terminal to cause the exocytosis of synaptic vesicles, thereby freeing their neurotransmitters into the synaptic cleft.
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The fundamental problem of not having enough resources to meet unlimited desires
is called…
A. Underutilization
B. Factors of Production
C. Scarcity
D.Shortage
Answer:
c. Scarcity is the right answer
What are the two chemical components of chromosomes?.
Answer:
Explanation:
DNA & Protein are the two chemical components of chromosomes that candidate for genetic material
In a marine food web the total biomass of algae far outweighs the total biomass of all the killer whales. Why?
Answer:
because there is more potential food energy in the algae but not in the killer whales because nothing eats the killer whales
Because there is a greater potential for food energy in the algae than there is in the killer whales, who have no natural predators because nothing consumes them.
What is biomass?The biomass of an ecosystem is what determines its structure. The energy contained in living creatures is referred to as their biomass. Autotrophs are the producers in a food chain and are responsible for converting the energy from the sun into biomass. Each successive trophic level results in a loss of biomass. Lower trophic levels almost always contain a greater quantity of biomass than higher ones do.
In the vast majority of ecosystems, the producer level contains both the highest energy level and the greatest amount of biomass. Because of this, there is a greater potential for food energy in the algae than there is in the killer whales. This is also due to the fact that the killer whales do not have any natural predators.
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What would most likely happen if the power lines in a petroleum power plant were broken? the petroleum would not burn. steam would not be produced. customers would not receive electricity. energy would not be converted.
The answer is Customers would not receive electricity as the power lines in a petroleum power plant were broken.
How do petroleum power plants produce electricity?
Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines that generate electricity.
Thus, Customers would not receive electricity.
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In an example of pleiotropic genes, the flower color gene studied by Mendel affected ________ trait(s).
Answer:
two traits ,
Explanation:
In an example of pleiotropic genes, the flower color gene studied by Mendel affected a single trait.
Pleiotropy refers to a phenomenon where a single gene influences multiple, seemingly unrelated traits or characteristics in an organism. However, in this specific case of Mendel's flower color gene, it affected only one trait, which is the color of the flower.
Genes are the basic factors of inheritance. They are found in the DNA of all living organisms. They are responsible for transmitting genetic information from one generation to the next and play a crucial role in determining an organism's traits and characteristics.
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What are the issues / concern of cell research list five
Answer:
involves destruction of human identity
that's the answer
why argon is called inert element?
Answer:
Helium neon and Argon are called inert gases are noble gas because they have complete its duplet as well as Octate. and no other element like Helium neon and Argon complete its octate and duplete. in the 18th period all element are inert. Which gas does not exist in air?
Explanation:
Answer:
The outermost (valence) shell of argon has eight electrons, making it exceedingly stable and, thus, chemically inert.
At which point on a cladogram do two species share an ancestor?.
Answer:
The node
Explanation:
Each branch point on the cladogram represents where species split off into new ones. The node represents the last point at which 2 new species shared a common ancestor.
Match the image with its best description
images are not so clear . I answered according to what I probably felt it can be acc to attachment.
why is ice at 273 k more effective in cooling than water at the same temperature?
Answer:
it does not have any hidden heat.
Explanation:
Ice at 273K or 0°C is more efficient in cooling as it does not have any hidden heat. Water at the same temperature has hidden heat, banned latent heat of fusion, which is used to convert water into ice. Thus, ice at 273 K is more effective in cooling
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Ice at 273K is more effective in cooling than water at the same temperature as ice absorbs more heat to overcome the latent heat of fusion, as a result, provides the cooling effect.
What is latent heat?
Latent heat of fusion is the energy that must be provided to the solid matter so that there is a change triggered in the physical state of the matter, and as a result, leads to the formation of the liquid.
Ice at 273 K has a cooling effect as there is no hidden heat and latent heat, unlike the water that has hidden heat that makes them less cool than the ice at the same temperature.
Therefore, the ice exhibits a cooling effect at 273 K.
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Is a 2 week blizzard a long term event? Is a flood from a hurricane a short term event?
Answer:
A blizzard can be a 2 week and intense snowstorm with very strong winds. Generally, blizzards form when cold polar air meets warm, moist air from lower latitudes, So yes a blizzard of 2 weeks can be considered long term event
Floods can occur within minutes or over a long period, and may last days, weeks, or longer.
Explanation :
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How has the global warming affected the ecosystem
Answer:
disorder in ecosystems
Explanation:
The ecosystems are having a disorder due to the too rapid change of the environment since many organisms cannot adapt quickly to the new climate. An example of this is the Arctic, due to its warming too quickly, causing polar bears to migrate south and mix with grizzly bears, changing the ecosystem.
Pls help i will give 5 starts and brainliest question is down below 9:46
cool, very thin, outermost layer, under the ocean, usually made of out basalt: 1. oceanic crust
cool, very thin, outermost layer of the earth includes continents and ocean floor: 4. crust
the layer beneath the earth's crust. solid, hot rock that flows slowly: 5. mantle
earth layers organized by what the layers are made of : 1. compositional layers
cool very thin, outer most layer, on continents usually made of granite: 3. continental crust
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Why is it difficult to male level 4 organs in a lab?
Answer:
By providing an example using one organ for each of the four levels of complexity, we have the following:First level organ: Skin; this is because it takes up a few cells. Second level organ: Windpipes; this is because they have more complex shapes with multiple cells. Third level organ: Stomach; this is because the stomach has to act on demand instead of a flow. Fourth level organ; Heart. The reason it is difficult to make level four organs in a lab is that it has a complicated architecture with several cells, blood vessels and tiny capillaries included. So far, scientists are yet to fully develop solutions for the level four organs and hence, difficult to create in a lab.
Explanation:
For this assignment, you will develop a model to describe the cycling of matter and the flow of energy
among living and nonliving parts of an ecosystem. This project includes both an individual and a group
part. On your own, you will research an organism that is assigned to you. In your group, you will combine
your organism with the organisms researched by other students to create a food web. Together, you will
write two short paragraphs explaining how energy and matter move through the food web.
Answer:
All I can tell you is when energy is moves through the food web it gets divided by 10
plant energy =1 0,000 (example)
that plant gets eaten by a small animal
small animal's energy gained from the plant = 1,000
a large animal then eats the smaller one
large animal's energy gained from the small animal = 100
Explanation:
I am sorry you will have to write your two short paragraphs on your own.
I don't want you to get in trouble for plagiarism.
I'm super sorry I hope this helped a bit!
The cold adapted coniferous trees that dominate here have the following key adaptations: (select all that apply) question 7 options: conical shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking thin needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen thick needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen very shallow roots compared to other trees like we have here in ohio. very deep roots compared to other trees like we have here in ohio.
Conical shape helps the snow to distribute more evenly across the tree and also to fall the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree
and ,also to fall to the ground and prevent branches from breaking thin needles have less surface area.
How do conifers adapt to the cold?They have several adaptations that help them grow in colder, drier conditions. Their needles are heavily cutinized. Their small surface area helps reduce evaporative water loss.
Thus, thee are the correct statement.
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Figure 1 represents part of a process that occurs in eukaryotic cells. There are untranslated regions (utr) in this sequence
The figure is a representation of the processing of raw mRNA generated from transcription, otherwise known as pre-mRNA, to a standardized mRNA that can be translated.
Pre-mRNA processingAfter transcription, the pre-mRNA produced needs to be processed and refined in order to be ready for translation.
The non-coding sequence, otherwise known as introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined back together.
The whole process is mediated by different enzymes.
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The figure is a illustration of the processing of uncooked mRNA generated from transcription, in any other case called pre-mRNA, to a standardized mRNA that may be translated.
What is Pre-mRNA processing ?After transcription, the pre-mRNA produced desires to be processed and delicate with a purpose to be geared up for translation.
The non-coding sequence, in any other case called introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined again together.
The entire system is mediated through one of a kind enzymes.
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The largest amount of DNA in plant cell is contained in
Answer:
In plant cells, most DNA is located in the nucleus, although chloroplasts and mitochondria also contain part of the genetic material
which of the following best describes the cycle of matter between humans and the environment?
A: humans exhale carbon dioxide which plants use in cellular respiration
B: humans inhale oxygen from plants which is used in cellular respiration to produce water
C: humans inhale oxygen from plants which is used in photosynthesis to produce carbon dioxide
D: humans exhale carbon dioxide which plants use in photosynthesis to produce more carbon dioxide
Answer:
B: humans inhale oxygen from plants which is used in cellular respiration to produce water
Explanation:
Which of these describes a pathogen that infects a human
by injecting its DNA into a body cell?
A bacterium that creates a toxin that destroys the
cell, keeping the cell from working in a normal
manner
A parasite that robs the ćell of nutrients, interfering
with organ functions
O A fungus that eats keratin found in skin cells,
causing inflammation and interfering with the skin
tissues' ability to protect
A virus that changes the way a cell works, causing
the cell to make more viruses instead of performing
its intended function
Answer:
the ans is
A virus that changes the way a cell works,causing the cell to make more viruses instead of performing its intended function.
Assuming that the population was in hardy-weinberg equilibrium for the g locus, what percentage of moths in the natural population was white in 1962 ?.
The percentage of moths in the natural population that was white in 1962 is : 4%
What is Hardy-weinberg equilibrium ?Hardy-weinberg equilibrium states that the sum total of all the genes of an individual in a population is constant when the disturbing factors such as genetic drift does not occur
p² + q² + 2pq = 1
Determine the percentage of moths in 1962Applying the equation below
p² + q² + 2pq = 1
p = frequency of dominant allele
q = frequency of recessive allele
q² = frequency of h0m0zygous recessive genotype
p² = frequency of h0m0zygous dominant genotype
From the graph
Frequency of G allele ( i.e p ) = 0.8
percentage of white moths = q²
Note : p + q = 1 ---- ( 1 )
Insert value into equation ( 1 )
0.8 + q = 1
therefore ; q = 0.2
Hence the percentage of white moths = ( 0.2 )² = 0.04
= 4%
Hence we can conclude that The percentage of moths in the natural population that was white in 1962 is : 4%
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What is another name for macro evolution
in your field experiment to study the gene flow between the lizard populations what type of evidence will support that gene flow has occurred?
The change in allele and genotypic frequencies in a population is evidence of gene flow.
What is gene flow?The term gene flow makes reference to the interchange of genetic material between individuals of two or more populations.
The gene flow generates a change in the allele and genotypic frequencies in the individuals of a population in equilibrium.
The gene flow may be due to migration and this phenomenon must be mediated by reproduction.
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A global examination of the diversity of tunicates, a marine animal that is related to other chordates, is shown in the graph here. The equator displays the greatest number of species of tunicates while the polar regions have fewer. Which statement explains the distribution of tunicates shown in the graph? es
Answer: A) Tropical regions have more available niches into which new species can occupy.
Explanation: USATestPrep
Answer:
A) Tropical Regions have more available niches into which new species ca occupy.
Explanation:
PLEASE VERY SIMPLE QUESTION: The graph above shows the effect of sew biological oxygen demand (BOD) and dissolved oxygen (DO) in a flowing stream. The smallest fish populations will most likely be found at point...
Answer:
A
Explanation:
closer to the sewage spill- less fish there will be because sewage is poisonous and at A the BOD is relatively high
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