Answer: Mitochondria
Explanation:
Answer:
In the cell which organelle has the function of using oxygen in the breakdown
Lysosomes
Explanation:
Lysosomes helps in breaking down of food particles in the cell as well as digestion of cell itself when it dies
Help me please!!
A student builds a model of the heart and brain, shown in the diagram. Two trucks, 1 and 2, travel between the organs. The student will label the trucks with what they are carrying.
Which set of labels BEST completes the model?
A) Truck 1 carries oxygen and Truck 2 carries carbon dioxide.
B) Truck 1 carries carbon dioxide and Truck 2 carries oxygen.
Eliminate
C) Truck 1 carries red blood cells and Truck 2 carries white blood cells.
D) Truck 1 carries white blood cells and Truck 2 carries red blood cells
Answer:
A
Explanation:
Oxygen goes into your lungs, carbon dioxide goes out.
I think this is the answer to your question.
Answer:
a
Explanation:
An incomplete concept map of carrying capacity is provided.
Which of the following factors would most
accurately be placed in the same side of the concept map as “Increase in population of competitors”?
Group of answer choices:
1. Increase in reproductive success
2. A decrease in available living space
3. Increase in availability of freshwater
4. A decrease in population of predators
For the incomplete concept map of carrying capacity, 'A decrease in available living space' would be correctly placed alongside 'Increase in population of competitors'. As competitors increase, available space decreases, reflecting the concept of carrying capacity.
Explanation:In the context of an incomplete concept map of carrying capacity, the choice that would most accurately be placed in the same side as 'Increase in population of competitors' would be 'A decrease in available living space'. The reason being, when the number of competitors for resources in a given area or ecosystem increases, the available space for each individual decreases. This concept, known as carrying capacity, is a central idea in population ecology. It refers to the maximum population size that a particular environment can sustain indefinitely.
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What the human process to make sense of things
Answer the following questions
At the Hardy Weinberg equation. For each question
assume that just two alleles of a gene exist in the population. A1 codes for purple leaves, has A frequency of 0.7 and is dominant. A2, codes for white leaves, and has a frequency of 0.3.
14. a) If p is the frequency of A1 and q is the frequency of A2, what equation describes the
relationship between p and q? Explain your answer. (2 points)
b) Describe the frequencies of alleles A1, and A2 in the population using both decimals and
percents. (1 point)
Answer:
a) The equation describes the relationship between p and q is p + q = 1 for allelic frequencies
b) The frequencies of alleles A1 in decimals is 0.7 and in percents is 70%.
The frequencies of alleles A2 in decimals is 0.3 and in percents is 30%.
Explanation:
According to Hardy-Weinberg, the allelic frequencies in a locus are represented as p and q, referring to the allelic dominant or recessive forms. The genotypic frequencies after one generation are p² (Homozygous dominant), 2pq (Heterozygous), q² (Homozygous recessive). Populations in H-W equilibrium will get the same allelic frequencies generation after generation. The sum of these allelic frequencies equals 1, this is p + q = 1.
In the same way, the sum of genotypic frequencies equals 1, this is
p2 + 2pq + q2 = 1
Being
p the dominant allelic frequency, q the recessive allelic frequency, p²the homozygous dominant genotypic frequency q² the homozygous recessive genotypic frequency2pq the heterozygous genotypic frequencyIn the exposed example,
A1 codes for purple leaves, has a frequency of 0.7 and is dominant. A2 codes for white leaves, has a frequency of 0.3 and is recessive.According to this equation: p + q = 1.
0.7 + 0.3 = 1
A1A1= p²= 0.7² = 0.49
A2A2= q² = 0.3² = 0.09
A1A2 = 2pq = 2 x 0.7 x 0.3 = 0.42
According to this equation: p² + 2pq + q² = 1
0.49 + 0.42 + 0.09 = 1
The frequencies of alleles A1 in decimals is 0.7 and in percents is 70%. The frequencies of alleles A2 in decimals is 0.3 and in percents is 30%.The frequencies of the A1 and A2 alleles in the Hardy-Weinberg equilibrium is described by the equation p + q = 1, with p being the frequency of A1 (0.7 or 70%) and q being the frequency of A2 (0.3 or 30%).
Explanation:The relationship between p (the frequency of A1) and q (the frequency of A2) in the Hardy-Weinberg equilibrium can be described by the equation p + q = 1. This equation states that the sum of the frequencies of all alleles for a particular gene in a population is equal to 1. In other words, it accounts for 100% of the alleles in the population.
By using the provided frequencies, you can see that this equation holds true as 0.7 (the frequency of A1) + 0.3 (the frequency of A2) equals 1, or 100%. Therefore, the frequencies of alleles A1 and A2 in the population are 0.7 and 0.3 as decimals, and 70% and 30% as percents, respectively.
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Which of these is a possible disadvantage of using wind as a source of energy?
A. Wind energy is sustainable.
B. Wind turbines can be placed on existing farms.
C. Wind turbines take up a lot of psace.
D. Wind energy creates new jobs.
Answer:
C. Wind turbines take up lots of space.
Explanation:
Considering none of the other options would be a disadvantage, C has to be the answer
The possible disadvantage of wind energy among the options provided is that wind turbines can take up a lot of space, especially in open lands required for wind farms.
The student asked which of these is a possible disadvantage of using wind energy. Among the provided options, C. Wind turbines take up a lot of space is a possible disadvantage. Even though wind turbines have a small physical footprint relative to the amount of electricity they produce, the major drawbacks include the need for a lot of open land and a fairly constant wind supply. Moreover, in denser population areas or regions with natural beauty, their presence may be regarded as an aesthetic concern to some, affecting landscapes and possibly impacting wildlife.
How does the radiation energy reach Earth?
Here are a list of events that involve changes to genotype and phenotype. Arrange these events in sequential order, from first to last.
The altered gene is transcribed into mRNA.
The sequence of nucleotides changes in a gene.
The sequence of amino acids is altered in a protein.
The function of the protein is altered, affecting phenotype.
Answer:
The sequence of nucleotides changes in a gene.
The altered gene is transcribed into mRNA.
The sequence of amino acids is altered in a protein.
The function of the protein is altered, affecting phenotype.
Explanation:
To see a change in a phenotype, the negative change (mutation) should occur in the gene first. Neutral mutations would not lead to a change in phenotype because it doesn't change the type of amino acid essentially. This means that, the first step would be the change in the gene itself. Then, the gene would be translated to mRNA. Then, the mRNA will instruct ribosomes to make an altered protein. Finally, the expression of protein due to different amino acid would lead to a different phenotype.
why does a whale have pelvic bones even though they don’t have legs?
Answer:
scientists say the gradual shrinkage of the whales' hind limbs over 15 million years was the result of slowly accumulated genetic changes that influenced the size of the limbs (they used to have legs)
please give this brainliest!!
Explanation:
Whale pelvic bones evolved to help the them maneuver better during intercourse. They have very small pelvic bones compared to their body Scientists have discovered that the tiny bones may actually play a huge role in whale reproduction.
Which of these practices is most likely to reduce the amount of water a farm
uses?
Answer: drip irrigation
Explanation: a p e x
Answer:
Drip irrigation
Explanation:
Of the four choices, it is the most efficient in water saving
Red dotted line shows a normal distribution
Blue line shows the distribution after a selection has occurred
the size of the male salmon anatomy used to be around medium sized, however, since the small males have snuck into the territory and interbred with the females, the distribution of salmon sizes has expanded to small, medium, and large sizes. This is different than the initial weight span because before the small salmon snuck in, the span of weight for the male salmon wouldn't really go into the small or large category, they would stay mostly at medium.
How does multicellular organisms grow?
Answer: They grow by increasing the number of cells they have. This relies on the processes of cell division and differentiation.
The 10% rule in the food chain means
Which body system works together with the integumentary system to protect the body from pathogens?
Answer: immune system
Explanation: It acts as a physical barrier to disease-causing germs and houses immune cells .
Is there a group of people (demographic or race) who have an increased risk for Coffin Lowry syndrome?
Answer:
Coffin-Lowry syndrome is a condition that affects many parts of the body. The signs and symptoms are usually more severe in males than in females, although the features of this disorder range from very mild to severe in affected women.
Males with Coffin-Lowry syndrome typically have severe to profound intellectual disability and delayed development. Affected women may be cognitively normal, or they may have intellectual disability ranging from mild to profound. Beginning in childhood or adolescence, some people with this condition experience brief episodes of collapse when excited or startled by a loud noise. These attacks are called stimulus-induced drop episodes (SIDEs).
Most affected males and some affected females have distinctive facial features including a prominent forehead, widely spaced and downward-slanting eyes, a short nose with a wide tip, and a wide mouth with full lips. These features become more pronounced with age. Soft hands with short, tapered fingers are also characteristic of Coffin-Lowry syndrome. Additional features of this condition include short stature, an unusually small head (microcephaly), progressive abnormal curvature of the spine (kyphoscoliosis), and other skeletal abnormalities.
All of the following types of information can be learned from the fossil record EXCEPT–
the anatomy of various species.
the common ancestry of organisms.
the future evolution of major groups.
the geographical range of populations.
The fossil record provides extensive information about past life, including species' anatomy, common ancestries, and geographical ranges, but it cannot predict the future evolution of major groups.
Explanation:The fossil record is a rich source of information about the past, providing insights into the anatomy of various species, the common ancestry of organisms, and the geographical range of populations. However, one thing the fossil record cannot offer is predictions about the future evolution of major groups.
This is because the fossil record documents life's history on Earth, showing the progression and changes in species over millions of years, but it doesn't project into the future.
For instance, detailed records showcase the evolution of humans and horses, and comparisons like the similar morphology of whale flippers to bird and mammal appendages support the theory of common ancestry.
Final answer:
The fossil record informs us about past anatomies, b) common ancestries, and d) population ranges, but it does not predict future evolution of major groups.
Explanation:
The fossil record provides a wealth of information about the past, including the anatomy of extinct species, the b) common ancestry of organisms, and d) the geographical range of populations. However, what it cannot project is the future evolution of major groups, as evolution is an ongoing process influenced by numerous unpredictable factors. Fossils do show a progression of evolution over time, revealing changes in anatomy and suggesting evolutionary connections among species, such as the similar morphology of whale flippers and appendages of birds and mammals, which implies a common ancestor.
The image does not show orders of insects. Suggest three categories of insects that would likely be grouped into orders. Hint: think about what kind of insects there are. Add your three categories to the image.
Answer:
I) Beetle which belongs to the Order Coleoptera.
2) Cockroach which belongs to the Order Dictyoptera.
3) True Fly which belongs to the Order Diptera.
Explanation:
In the image, there is only one insect i. e. house fly which belongs to kingdom animalia, phylum arthropoda, class insecta and order diptera. Two insects can be added to the image which are cockroach and Beetle which belongs to Order Dictyoptera and Order Coleoptera, respectively. All of these three insects belongs to phylum arthropoda due to jointed appendages but their order is different from one another due some differences in their body structure.
Beetles, butterflies, and ants are examples of insect categories that can be grouped into orders based on their distinguishing features and developmental processes. They demonstrate the diversity found within the Hexapoda subphylum. The classification of these insects follows the hierarchy of the Linnaean system.
Explanation:Three categories of insects that could be grouped into orders may be, for example, beetles, butterflies, and ants. These are all members of the subphylum Hexapoda. Beetles are part of the order Coleoptera, characterized by their hardened forewings. Butterflies belong to the order Lepidoptera, distinguished by their scale-covered wings. Ants are part of the order Hymenoptera, recognized by their defined waist and elbowed antennae.
These insects demonstrate the diversity in the Hexapoda subphylum, with varied developmental processes, wing morphology, and societal structures. For instance, ants, beetles, and butterflies undergo complete metamorphosis from larval stages, whereas other insects like grasshoppers undergo an incomplete metamorphosis process.
The taxonomic classification of these insects follows the hierarchy of domain, kingdom, phylum, class, order, family, genus, and species, based on the Linnaean system. Organisms are grouped based on common characteristics and evolutionary history.
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Which of the following processes returns carbon to the atmosphere?
Answer:
Respiration is a process in which carbon is released in the atmosphere in the form of carbondioxide.
Explanation:
Respiration is energy generating process. In this process, food substance which contains glucose molecule is broken down in the mitochondria of the cell which releases carbondioxide, water and energy in the form of Adenine tri phosphate (ATP). Energy is used by the cell in different processes and activities while Carbondioxode gas is released in the atmosphere.
Darwin developed the theory of evolution. Which of these observation is the best evidence for the theory of evolution?
Humans have very diverse traits today.
There appear to be missing links in the evolutionary chain.
Life on earth has been found to date back billions of years.
D)
DNA found in older primate fossils resemble those of humans today
30)
According to Darwin's theory of evolution, which organisms are BEST able to survive in nature?
Answer:
DNA found in older primate fossils resemble those of humans today
Explanation:
PLEASE HELP ME IM GOING TO FAIL THIS TEST PLEASEE!!! :(
1. What is the name of the trait that is expressed in all of the new seeds or offsprings?
2. What is the name of the trait that is hidden by the dominant trait?
3. What is the name of the factor that represents the different variations of a gene?
4. When both alleles are identical, the gene is called what?
5. When both alleles are different, the gene is called what?
6. What can be used to figure out how alleles are distributed among descendants?
a. genotype
b. phenotype
c. Punnett square
d. heterozygous
7. What is the name of the scientist who started the study of heredity?
Final answer:
The expressed trait is the dominant trait, while the hidden one is recessive. Alleles are the variations of a gene, with homozygous meaning identical alleles and heterozygous meaning different alleles. Gregor Mendel is considered the father of heredity studies.
Explanation:
The trait that is expressed in all the new seeds or offspring is called the dominant trait. The trait that is hidden by the dominant trait is known as the recessive trait. A factor that represents the different variations of a gene is called an allele. When both alleles are identical, the gene is called homozygous. When both alleles are different, the gene is called heterozygous. A Punnett square can be used to figure out how alleles are distributed among descendants. The scientist who started the study of heredity is Gregor Mendel.
Complete the sentences to describe ways to manage water.
Answer:
1 Pumps
2 reservoirs
3 aqueducts
Explanation: :D
Answer:
1 = Pumps
2= Reservoirs
3= Aqueducts
Explanation:
Its correct :)
What happens to Earth when it is farthest from the sun?
A) It moves fastest,
B) It stops rotating,
C) It moves slowest.
D) It stops revolving
Answer:
C.
Explanation:
because if it is farther from the sun so it will move in a bigger circle therefor it moves the slowest.
Final answer:
At its farthest point from the sun, known as aphelion, the Earth moves at its slowest speed within its elliptical orbit, following Kepler's laws of planetary motion.
Explanation:
When the Earth is farthest from the sun, which is a position known as aphelion, it moves at its slowest pace in its orbit. This contrasts with when Earth is closest to the sun, or perihelion, where it moves fastest due to the stronger gravitational pull from the sun at a closer distance. This variation in speed is due to Kepler's laws of planetary motion, which state that a planet's orbital speed changes, being fastest at the closest approach to the sun and slowest at the farthest point. Therefore, the correct answer to what happens to Earth when it is farthest from the sun is C) It moves slowest.
A resource is being used by a population.
Which graph represents a sustainable yield of that resource?
Graph A
Graph B
Graph C
Graph D
Answer:
Graph B.
Explanation:
the graph shows amount of resource and time. over time, graph B stays about the same, that is sustainable.
Hope this helps!! :)
The graph that shows sustainable resource usage is the graph B, as that is present in the second option as the resource usage and the time constant, so that is considered sustainable resource usage.
What is the sustainable yield of a resource?The sustainable yield of a resource used by organisms refers to the maximum amount of that resource that can be harvested or consumed by those organisms without depleting the resource's ability to renew itself. In other words, it is the rate at which the resource can be harvested or consumed over an indefinite period without causing long-term damage to the ecosystem or population.
Hence, the graph that shows sustainable resource usage is the graph B, as that is present in the second option as the resource usage and the time constant, so that is considered sustainable resource usage.
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The answer.................
Answer:
C
Explanation:
this shows that these two organ systems are interacting to maintain a healthy body.
1. What are the benefits and costs of renewable and nonrenewable resources?
Answer:They include fossil fuels such as oil, natural gas, coal, and uranium used for nuclear energy. Despite this, they have a couple of advantages: The main advantages of non-renewable energies is that they are abundant and affordable. ... Non-renewable energy is cost effective and easier to product and use.
Explanation:
Renewable resources have the benefits of being replenished naturally and having a lesser environmental impact. However, the costs involve initial investment and infrastructure while nonrenewable resources have limited reserves and long-term costs.
Explanation:The benefits of renewable resources include their ability to be replenished naturally and their lower environmental impact compared to nonrenewable resources. Renewable resources, such as wind, water, geothermal, and solar power, do not deplete over time and contribute less to global warming. On the other hand, nonrenewable resources, like fossil fuels and nuclear power, have limited reserves and can have negative environmental consequences.
The costs of renewable resources primarily involve the initial investment in infrastructure and technology needed to harness and utilize these sources of energy. However, over time, the costs of renewable energy have been decreasing as technology advances and economies of scale are achieved.
Nonrenewable resources, although currently more affordable due to existing infrastructure, have long-term costs associated with their depletion, environmental impact, and potential hazards, such as nuclear waste disposal.
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how can i arrange these animals in different groups of classification and what title can I give ?
German Shepherd, Great Dane, parrot, Irish setter, canary, husky, robin, pigeon
These animals are arranged according to the classification that separates the animals into two groups on the basis of whether they are mammals or birds.
What is taxonomic classification?Group 1 of mammals includes German Shepherds, Great Danes, Irish setters, and husky. Group 2 of birds include parrot, canary, robin, and pigeon, and the title is Classification of Animals Based on Taxonomic Groups.
The classification above separates the animals into two groups on the basis of whether they are mammals or birds. Mammals have hair, mammary glands, and three middle ear bones, while birds contain feathers, a beak, and laying eggs.
Within each group, the animals are further classified according to their specific characteristics and evolutionary relationships, which is known as taxonomic classification and can help scientists to understand the diversity of life on Earth.
Therefore, these animals are separated into two groups on the basis of whether they are mammals or birds.
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What must be true for Hardy-Weinberg equilibrium to occur?
A. Some alleles must give an advantage.
B. Mating must happen randomly.
C. Mutations must occur in each generation.
D. The population must be small.
Answer:
B. Mating must happening randomly
Explanation:
hope this helps! :)
Matting must happen randomly in the population for Hardy- Weinberg equilibrium to occur. Therefore, option "B" is correct.
What is Hardy- Weinberg equilibrium?
Hardy- Weinberg equilibrium states that when in a random matting large population, genotype and the allele frequencies remain constant as evolutionary changes are absent. Influences of other factors are inclusive such as genetic drift, mate selection, bottleneck effect, and founder’s effect.
[tex]p2 + q2 = p2 +q2+2pq[/tex] is known as the Hardy- Weinberg equilibrium equation.
The assumption of the Hardy- Weinberg equilibrium is matting should be sexual only, random matting, and organisms should be diploid.
For the application of the Hardy- Weinberg equilibrium, random matting should stake place.
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Which action is one of the main functions of the circulatory system?
Answer:
the main action of the circulatory system is to provide blood to whole body
Answer: delivering substances to the cells of the body
Compare the benefits of natural change to ecosystems to the disadvantages.
Answer:
(Natural changed to the ecosystem relate to environmental shock that occur naturally. Natural changes include floods, volcanic activity, hurricanes, etc. They can be destructive, but they also have advantages. Floods have the contribution of nutrients to the soil which was lacking. It can also relocate fishes and organisms living in bodies of water which improves the ecosystem.)
Explanation:
Edg 2020
Give three examples of competition between species for ABIOTIC resources, in which the better adapted species is most likely to survive.
Final answer:
Competition for abiotic resources like water, sunlight, and space among different species results in the better-adapted species surviving, while the less adapted may adapt, move, or face extinction as per the competitive exclusion principle.
Explanation:
Competition between species for abiotic resources is a significant aspect of ecological interaction that can strongly influence survival and biodiversity. Here are three examples that illustrate interspecific competition for abiotic resources:
In a forest, tree species might compete for sunlight, another vital abiotic resource. Trees with leaves that have a higher photosynthetic efficiency or that can grow taller to reach the light are more likely to thrive, outcompeting those that cannot reach the light effectively.
Along a rocky shore, different types of algae and barnacles may compete for space, which is essential for their survival. The species that can better attach to the rocks and resist waves will monopolize space and outcompete others.
The competitive exclusion principle explains that in a stable environment, species less adapted will adapt, move, or die out, leading to consequences such as reduced population growth or extinction for the less adapted species. Conversely, character displacement allows coexistence through the development of different specializations.
How many daughter cells result from a parent cell in meiosis?
Answer:4 haploid daughter cells
Explanation:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction. During reproduction, when the sperm and egg unite to form a single cell, the number of chromosomes is restored in the offspring.
Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome. The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.