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Questions (152)

Which BEST describes how survival of the fittest relates to natural selection?Mechanisms of evolution (4 of 4) Natural selection
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The graph displays observations of a moth population over time.5f9fe99f-5ac4-432f-94c4-56119734a68f What does this graph
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Use the diagram below to answer the question that follows.According to the diagram, which two groups of organisms are most
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You have sampled a population in which you know that the percentage of the homozygous dominant genotype (AA) is 16%.Using that
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Read the passage about punctuated equilibrium.The theory of punctuated equilibrium states that many species did not evolve for
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Mitosis and meiosis have all of the following in COMMON, except___a Mitosis and meiosis have parent cells that divide to produce
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aq=0.1; p=1.0 b q=0.2; p=0.8 c q=0.8; p=0.2 d q=0.04; p=0.16
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Which of the following would be an example of an "acquired" human characteristic, that would be heritable, as proposed by
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A new sea star species has been identified in Australia. This species is a hermaphrodite that self-fertilizes and keeps its
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Why does a pesticide lose its effectiveness over time?a The pests become resistant. b The pesticide expires within a week of
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Which statement best describes the scientific community's current understanding of natural selection?a Natural selection causes
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Katherine develops the cladogram below based on patterns of common ancestry.Katherine wants to determine relationships using the
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The diagram shows the changes in foot structure in a bird population over many generations00a8e05b-7727-446e-83e5-c4b1a1302e2f
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Two graphs regarding a population of land snails are shown below.f83f73e4-a9c4-4b99-aa61-190cd2c884b2 Which of these conclusions
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Read the passage about fish.Certain fish that live in the deep ocean bottom have eventually developed smaller eyes than fish
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Two organisms are closely related and are thought to share a similar evolutionary history. If this assumption is correct, what
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Review table below: It shows the amino acids in a segment of the protein, hemoglobin. This protein is present in many species,
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Clouded leopards are a medium-sized, endangered species of cat, living in the very wet cloud forests of Central America. Assume
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If an organism has two different alleles for a given trait (like attached and free earlobes), they are considered ____________,
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If an organism has two different alleles for a given trait, it is called ____________, and in __________ traits we automatically
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What is recombinant DNA technology useful in producing?a artificial hearts and kidneys b insulin and growth hormones c new
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What can be the cause of a single gene mutation?YOU GET A MUTATION YOU GET A MUTATION, YOU ALL GET MUTATIONS - Oprah Winfrey
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The picture shows a leaf found on an autotrophic plant.The cells in this leaf are making their own energy by the process of a
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A scientist designed an experiment to examine the effects of exercise on respiration. He collected the volume of the gases
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Which of the following is NOT an example of homeostasis?a As humans age, they become more susceptible to disease and cancer. b
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What is the meaning of globalization?(1 point) Responses Exchange of goods and information between countries Exchange of goods
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Viruses reproduce through the use of host cells. In this process, viruses reproduce by injecting their DNA into the host cell
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Viruses are often referred to as non-living infectious particles as they lack many characteristics of living organisms like
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Red-green color blindness (Xb) is a recessive sex-linked trait. A colorblind male marries a normal color vision female.Their
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Food science is one area where biotechnology has made many advancements; however, many people are skeptical of some of the
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Scientists have inserted a gene that codes for resistance to a biodegradable weedkiller into a certain plant. Which of the
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ltraviolet radiation causes mutations in the DNA of skin cells that have been exposed to the Sun. Will such mutations have any
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Study the information on the chart and the graphic. What can you infer about photosynthesis?a The closer the light source, the
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Which of the following correctly identifies the main role of mitosis and cytokinesis in multicellular organisms?a Increase
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A cell biologist compared the properties of rough endoplasmic reticulum (ER) and smooth ER. She found that one type of ER is
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The picture shows the lysosomes and ribosomes of a cell.Which best describes how the lysosomes and the ribosomes interact to
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Review the karyotype above. Select the best response describing the individual with this karyotype.a Normal female 46, XX b
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A student is learning about infections that can occur in the human body. Infections could be caused by viruses, bacteria, and
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Which of the following statements, from the cell theory, best supports the idea that viruses are non-living?Sticker With A Dead
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In some chickens, feather color is controlled by incomplete dominance. When a black chicken mates with a white chicken, all the
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If an organism has two of the same alleles for a given trait, we say it is ____________, and in __________ traits we
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In a karyotype, ____________ are photographed, and then the images- paired. From this information, and we can study them to
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The eye color of a person has no correlation with his/her shoe size. Which of Mendel's principles does this illustrate?Mendel on
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Bacteria were some of the first organisms to be genetically modified because they have a relatively small genome and reproduce
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Farmers across many centuries have used selective breeding to enhance certain qualities in their crops. Which of the following
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Which question is a scientist who studies the genetic engineering of crops most likely attempting to answer?Genetic_6349da534390
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An organism is exposed to a mutagen that causes a mutation in the kidney cells. Which best describes if the offspring of the
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When do chromosomal mutations usually appear?a as a result of certain diseases b when organisms reproduce asexually c gradually,
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The diagram shows a process that is occurring in the nucleus of a cell.What would MOST LIKELY happen if the process in the
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Which statement best describes ATP?a It is created when cells undergo replication. b It is the primary source of energy for
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Which statement best describes ATP?a It is created when cells undergo replication. b It is the primary source of energy for
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Plants produce glucose in order toa make food for cellular respiration. b get sunlight. c produce oxygen. d turn green.
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