Answer:
Its the last one
just give the other person brainliest
Explanation:
The butterflies shown below all belong to the same species, but one of them has inherited a rare mutation for blue wings rather than orange wings. The butterflies feed on nectar from orange flowers, and their color acts as camouflage while they feed.
What will most likely happen to the butterfly with blue wings?
Their population will decrease while that of orange-winged butterflies will increase. Therefore the allelic frequency for blue colored wings will be eventually eliminated from the population.
This is because the blue-winged butterflies will be predated more because they are more conspicuous. Most will not produce before they are predated on hence reducing their numbers. The next generations will have more and more of orange-winged butterflies until the blue-winged butterflies no longer exist in the population.
Answer:
It will be less likely to survive because it will be more visible to predators.
I know it's a late answer but hopefully it will help others too.
Explain how bone marrow can be called tissue
Final answer:
Bone marrow is considered a tissue because it is a connective tissue with specialized functions—the yellow marrow stores energy, and the red marrow is responsible for hematopoiesis, the production of blood cells.
Explanation:
Bone marrow is referred to as a tissue because it is a connective tissue that fills the interior of bones. There are two types of bone marrow: yellow marrow and red marrow. Yellow marrow is rich in adipose tissue and stores energy in the form of triglycerides within adipocytes. Red marrow plays a crucial role in hematopoiesis, the production of blood cells, including red blood cells, white blood cells, and platelets. This process involves the proliferation of stem cells, which are self-renewing and differentiate into various blood cell types. Bone marrow functions as a vital component within bones, which are considered organs containing multiple types of tissues such as blood, connective tissue, nerves, and bone tissue. Osteocytes within bone tissues create the mineral matrix that characterizes bones.
Comparisons of cranial capacity between A. africanus and the later species H. erectus and A. boisei show that H. erectus had much larger brains, while A. boisei had only slightly larger brains, than A. africanus. There is evidence that A. africanus and H. erectus used tools, though the tools made by H. erectus required more skill and planning to craft. How do you think the toolmaking abilities of A. boisei would have compared? (A)A. boisei would have had very little ability to make tools, unlike the other two hominids.(B) A. boisei would have been able to make more advanced tools than the other two hominids. (C)A. boisei would have been able to make tools that were less advanced than H. erectus. (D)A. boisei would have made tools that were less advanced than those made by A. africanus.
Answer:
A. boisei would have been able to make tools that were less advanced than H. erectus.
Explanation:
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What are the main necessary qualities for manned vehicles of the space program? Select all that apply.
durability
reliability
efficiency
miniaturization
The answers are actually reliability and miniaturization. Brainliest please.
Answer:
The answers are actually:
Durability
Reliabilty
Explanation:
I answered these and i got it right.
Which is a difference between antibodies and antigens?
Antigens destroy pathogens; antibodies trigger the production of antigens.
Antigens trigger the production of antibodies; antibodies destroy pathogens.
Antigens are components of the lymphatic system; antibodies are components of the immune system.
Antigens are components of the immune system; antibodies are components of the lymphatic system.
Antigens are foreign substances that trigger the production of antibodies in the body. Antibodies, produced by the immune system, recognize and neutralize these antigens, thus helping to protect the body from infections.
Explanation:The correct option is: Antigens trigger the production of antibodies; antibodies destroy pathogens. Antigens are foreign substances (usually proteins) that invade the body, like bacteria, viruses, or allergens. When your body recognizes these foreign substances, it produces antibodies. Antibodies are proteins produced by the immune system that can identify and neutralize the antigens. In other words, antigens stimulate your immune system to produce antibodies against them, and then the antibodies bind to the antigens and eliminate them, protecting the body from infections.
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describe a structural adaptation that affects mouth shape.
The best description of a structural adaptation that affects the mouth shape is the pelican has a mouth shape and the beak that is unique me about aptitudes food source fish.
What are structural adaptations?Adaptations are the changes in the body which help an organism to survive better in their surrounding environment. Adaptation is the dynamic evolutionary method of natural selection which suits organisms better to their environment, enhancing their evolutionary health. Adaptations also miles a kingdom reached by means of the populace in the course of the technique.
Structural adaptations are the physical features of living organisms like the bill on a bird or the fur on a bear body. Other adaptations are behavioral changes. Behavioral adaptations are the things or changes which organisms do to survive. For example, bird calls and migrations are the examples of behavioral adaptations. Adaptations are the result of evolution.
The structural adaptation that affects mouth shape is the pelican has a mouth shape and the beak that is unique me about aptitudes food source fish.
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Understand how fossils, the Law of Superposition and geologic timescale support the theory of evolution
Describe two traits that represent a sustainable society and two traits of a unsustainable society
Answer:
The answer is manageable society.
Explanation:
the two characteristics would be the worry of equity in which individuals can be equivalent to one another and another attribute would be the private enterprise that underlines the utilization of sustainable power source. In unsustainable society, the utilization of petroleum products is one attribute in which it can't be restored and the second is the gay occupants in which if once is lost, it is completely gone.
how to differentiate between ectoplasm, endoplasm and cytoplasm?
Which organelles store food and other materials needed by the cell?
vacuoles
ribosomes
chloroplasts
mitochondria
The vacuoles are the organelles that store food and other materials required by the cell. They maintain pressure within the cell and support its structure besides storing substances. Other organelles have differing functions such as protein production, photosynthesis, and energy production.
Explanation:The organelles that store food and other materials needed by the cell are the vacuoles. Located mainly in plant cells, vacuoles are large, fluid-filled organelles that store substances like water, nutrients, or waste products. In addition to storing substances, they also contribute to many other functions within the cell such as maintaining pressure within the cell which helps the plant cell keep its structure.
It's worth noting that other organelles like ribosomes, chloroplasts, and mitochondria also play significant roles within cells. Ribosomes produce proteins, chloroplasts are involved in photosynthesis in plant cells, and mitochondria are responsible for producing energy in the cell through the process of cellular respiration.
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What is the relationship between a mutation and a gene? Question 20 options: A mutation creates new genes from the same DNA segment.
Question 20 options:
A mutation creates new genes from the same DNA segment.
A gene results in a mutation when it produces a change in the type of mRNA.
A mutation changes the sequence of DNA bases of a gene.
A gene causes a mutation when it manufactures the wrong protein.
Answer:
C - A mutation changed the sequence of DNA bases of a gene.
Explanation:
Sorry fam for answering late, but this should help other people
and this is 100% correct!
~ Ella
The correct answer is a mutation changes the sequence of DNA bases of a gene which is in option A as gene is a specific segment of DNA that contains the instructions for making a specific protein.
what is Mutations ?Mutations can occur within a gene when there is a change in the sequence of the DNA bases. This change can alter the instructions for making the protein, resulting in a different or nonfunctional protein. Mutations can also occur outside of genes, in noncoding regions of DNA or in regulatory sequences that control gene expression. In summary, mutations can affect genes, but genes do not create mutations.
Hence, the correct answer is a mutation changes the sequence of DNA bases of a gene which is in option A as gene is a specific segment of DNA that contains the instructions for making a specific protein.
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Tay Sach's disease is a fatal genetic condition, in which affected individuals cannot metabolize fats properly. Children who inherit the disease rarely live past the age of five. The disease is caused by the presence of a homozygous recessive gene. If a child has Tay Sach's disease, what would her parents' genotypes be?
Answer: Her father is heterozygous; her mother is heterozygous.
Explanation:
What is the ratio of homozygous offspring to heterozygous offspring shown in the diagram below?
By 1999, after the Clean Water Act had been passed in 1970, the percentage of U.S. surface waters safe for fishing and swimming had increased from 36 percent to
Answer:
The correct answer is 60 percent.
Explanation:
The Clean Water Act refers to a federal law of United States, which observes the release of contaminants into the surface waters of the country, comprising rivers, lakes, wetlands, streams, and coastal areas. Approximately 30 years after passing of the Clean Water Act in the United States, the percentage of surface water, that is, regarded safe for swimming and fishing had enhanced from 36 percent to 60 percent, which is approximate twice the original value. Some kind of policies and programs were implemented as part of the act.
Can I get some help please? Thanks!
Which structures help both plant and animal cells meet the challenges of life?
A. flagella and mitochondria
B. vacuoles and cell membrane
C. cell wall and lysosomes
D. nucleus and cell membrane
Which method of dealing with waste is worst for the environment A.) composting B.)reusing C.)recycling D.)incinerating
Answer:
incinerating
Explanation:
apex
The selective breeding of wild mustard has _____________ _________ and produced at least four other vegetable crops.
Gould and Eldredge proposed this new theory called
Final answer:
Paleontologists Stephen Jay Gould and Niles Eldredge proposed the theory of punctuated equilibria, which describes the pattern of evolution as long periods of stability interrupted by brief periods of rapid change, explaining the fossil record's structure and the relative stability of species over time.
Explanation:
Gould and Eldredge proposed a new evolutionary theory known as punctuated equilibria. This theory suggests that instead of species evolving continuously over time, they remain stable for long periods, known as equilibrium, and undergo rapid evolution during relatively brief periods of ecological instability, leading to new species. These evolutionary bursts punctuate the long periods of stasis. Punctuated equilibria helps explain the patterns observed in the fossil record, including the presence of small anatomical gaps between closely related fossil forms. The theory underscores the stability of species over time, with adaptation occurring primarily during the formation of a new species, rather than as a constant process. While it incorporates genetic principles, punctuated equilibria is primarily a theory of macroevolution, focusing on the transitions between species in geological time.
Neither of Josie's parents play a musical instrument. Josie thinks that she won't be able to play an instrument because her parents can't. Is she right? Why or why not?
Beth learned in her science class that white blood cells in the human body capture harmful material by engulfing them. Then they digest them using enzymes, thus protecting the body from infection. Which eukaryote has a similar mode of nutrition?
Answer:
The Answer Is C): Amoeba
Explanation:
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Amoebas are eukaryotic microorganisms that have a similar mode of nutrition to the process described for white blood cells. They capture and engulf food particles, such as bacteria or small organic particles, through a process called phagocytosis.
After engulfing the food particle, amoebas form a food vacuole around it. Within the food vacuole, enzymes are secreted to digest the captured material, allowing the amoeba to obtain nutrients and energy from the ingested material.
This process of engulfing and digesting food is known as phagocytic nutrition and is a characteristic feature of certain eukaryotic organisms like amoebas.
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Temperatures sunlight and water are examples of what
Answer:
abiiotic
Explanation:
What feature would you expect to find in a population in which sexual selection depends on female choice?
Where sexual selection is based on male competitiveness, bright-colored males are expected to be seen.
What distinguishes sexual selection?Sexual selection theory holds that the emergence of some noticeable physical qualities in animals, such as pronounced colour, increased size, or spectacular adornments, may provide the possessors of these traits more success in attracting mates.
Because the number of gene copies in the next generation is also dependent on relative mating success, the strength of sexual selection is proportional to the relative increase in the number of offspring surviving to reproduce (Sn) and the relative number of mates a male with that character obtains.
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which statement best describes how a muscle moves a bone
Muscles move bones by contracting and pulling on tendons attached to the bones, which causes the bones to move like levers with joints serving as fulcrums.
Explanation:The statement that best describes how a muscle moves a bone is that skeletal muscles contract, which pulls on tendons that are connected to bones, causing movement. Muscles work across a joint and are attached to both sides of a joint by tendons, which are strong cords of connective tissue. When these muscles contract, they shorten and pull on bones, making them move like levers with joints acting as fulcrums. This is how the muscles facilitate movement in the body by applying force to the skeleton.
To which phylum would a flowering plant that produces seeds belong?
A. Bryophyta B. Lycophyta C. Anthophyta D. Ginkgophyta
What happens to the recessive allele in a heterozygous offspring
In a heterozygous offspring, the recessive allele becomes latent. It can be passed on to future generations and may show up in the phenotype if an offspring is homozygous recessive.
Explanation:In a heterozygous offspring, the recessive allele essentially becomes 'latent', meaning it is present but not expressed in the phenotype. This occurs due to Mendel's law of dominance which states that in a heterozygote, the dominant allele masks the effect of the recessive allele. The recessive allele will only be observable in offspring that are homozygous recessive in nature.
When parents with contrasting dominant and recessive traits reproduce, their offspring will mostly be heterozygous but will express the dominant trait in their phenotype. However, if these heterozygous offspring reproduce, the recessive trait can reappear in the next generation. This happens due to random segregation during formation of gametes where each allele from a pair has an equal chance of being passed on to the offspring.
The recessive trait can appear in the third generation with a 25% probability when heterozygous parents reproduce. This is because there's a 1 in 4 chance of getting a homozygous recessive offspring - that is, an offspring that inherits the recessive allele from both parents.
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in most animal cells a complex Network of proteins provides
which of the following
Answer:
Option D, All of the above
Explanation:
Complete Questions -
In most animal cells a complex Network of proteins provides which of the following -
A.Organization B.Movement C.Shape D. All of the above
Solution -
Proteins are complex molecule that plays a critical role in the body. They are responsible for defining the shape of the body and regulate its function and structure. Based on their functions, proteins are of different types such as antibody ( protective proteins), enzyme (catalyst), messenger ( transmit signals to co-ordinate between functioning of cells, tissues and organs), structural protein (that provide structure to allow a body to move) and transport protein (transport essential molecules with in the cell and through out the body)
Thus, option D is correct
Which person is most likely to cause a pandemic? one who had a cold and stayed at home one who was sick with the flu and flew to multiple countries one who had diabetes and continued to eat fatty foods one who washed hands frequently and got vaccinations
50 point plzzzzzzzzzzzz
Answer:
B.
one who was sick with the flu and flew to multiple countries.
Analysis Questions:
1. List five observations Darwin made about the Amblyrhynchus lizards.
2. Describe two examples of structural adaptations that Darwin observed.
3. Describe two behavioral adaptations that Darwin observed.
4. Explain how these observations influenced his theory of evolution?
These observations led Darwin to believe that if a certain trait is more advantageous in a specific environment, then the carriers of that trait are more likely to survive into adulthood and to generate offspring than those who do not have that trait. Eventually, the advantageous traits for a species will proliferate. Darwin later called this as "survival of the fittest".
I completely agree those answers got me a 100
What is a spring tide abs would a spring tide occur
A spring tide occurs during the new and full moon phases when the Sun and Moon align, leading to the highest and lowest tides of the month. This contrast creates the greatest tidal range.
A spring tide occurs when the gravitational forces of the Sun and Moon align either on the same side of Earth or on opposite sides.
This alignment happens during the new moon and full moon phases, where the combined gravitational pull results in the highest high tides and the lowest low tides of the month, leading to the greatest tidal range.Conversely, a neap tide occurs when the Sun and Moon are at right angles to each other, during the first and third quarters of the moon. During this period, their gravitational forces partially offset each other, leading to the smallest tidal ranges of the month.Describe the importance of mitosis in the root tips of plants
The importance of mitosis in the root tip is that it helps the growth of the root; as a result, the root can grow more and absorb more nutrients from the soil, which helps the plant grow further.
What is the role of mitosis?Mitosis is a process in which the cell divides equally and both the parent cell and the daughter cell look alike. In this process, the plant root grows during mitosis, the old cell is replaced by the new cell, the cut is filled, and so on.
The mitosis completes in five steps, such as the prophase, metaphase, anaphase, telophase, and cytokinesis, where the cell faces many changes, such as the nuclear envelope dissociating and the cytoplasm of the cell dividing. The mitosis is the result of the body size growth that is seen in the child, and this is the result of the mitogens.
Hence, the importance of mitosis in the root tip is that it helps the growth of the root; as a result, the root can grow more and absorb more nutrients from the soil.
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