Biology Diversity and Physiology Quiz
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Questions and Answers

Which of the following describes a dominant trait?

  • A trait that is only expressed when one copy of the allele is present.
  • A trait that is masked by a recessive trait.
  • A trait that is only expressed when two copies of the allele are present.
  • A trait that is expressed when only one copy of the allele is present. (correct)
  • Genetic bottlenecks increase genetic diversity within a population.

    False

    What is the main difference between allopatric and sympatric speciation?

    Allopatric speciation occurs when populations are geographically isolated, while sympatric speciation occurs in the same geographic area.

    The process of chromosome pairing during meiosis is known as ______.

    <p>synapsis</p> Signup and view all the answers

    Match the following types of natural selection with their descriptions:

    <p>Directional Selection = Favors one extreme phenotype in a population. Disruptive Selection = Favors both extreme phenotypes in a population. Stabilizing Selection = Favors intermediate phenotypes in a population. Sexual Selection = Selection based on the ability to attract a mate.</p> Signup and view all the answers

    Which of the following is the correct order of classification levels from least alike to most alike?

    <p>Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species</p> Signup and view all the answers

    The lytic cycle of viral replication involves the incorporation of viral DNA into the host cell's genome.

    <p>False</p> Signup and view all the answers

    Describe the function of villi in the digestive system.

    <p>Villi increase the surface area of the small intestine for nutrient absorption.</p> Signup and view all the answers

    The universal blood donor is type ____.

    <p>O</p> Signup and view all the answers

    Match the following terms with their descriptions:

    <p>Mitosis = Cell division resulting in two identical diploid cells Meiosis = Cell division resulting in four unique haploid cells Systolic pressure = The pressure in the arteries when the heart contracts Diastolic pressure = The pressure in the arteries when the heart is relaxed</p> Signup and view all the answers

    Which of the following is NOT a function of the circulatory system?

    <p>Producing digestive enzymes</p> Signup and view all the answers

    Antibiotics are effective against viral infections.

    <p>False</p> Signup and view all the answers

    What is the theory of endosymbiosis?

    <p>The theory of endosymbiosis suggests that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a larger host cell and formed a symbiotic relationship.</p> Signup and view all the answers

    Study Notes

    DIVERSITY

    • List the 8 classification levels in order from least to most similar.
    • Define taxonomy, binomial nomenclature, and species.
    • List the 6 kingdoms and their defining characteristics.
    • Describe the lytic and lysogenic viral replication cycles.
    • Explain how bacteria are classified by shape and oxygen requirements.
    • Describe how vaccines provide protection against viruses.
    • Explain how antibiotics treat bacterial infections.
    • Explain the theory of endosymbiosis.
    • Define and explain how to create a dichotomous key.
    • Define a phylogenetic tree and how to interpret one.

    PHYSIOLOGY

    • Describe the digestion of carbohydrates, proteins, and fats, including enzymes, locations, and absorption methods.
    • Name and describe a digestive hormone.
    • Define ingestion, digestion, absorption, and egestion.
    • Explain the roles of peristalsis, saliva, bile, villi, and pancreatic enzymes in digestion.
    • Explain why stomach enzymes don't function in the small intestine.
    • Describe the function of the large intestine.
    • Explain the function of the circulatory system and blood.
    • Define blood antigens and antibodies.
    • Review blood types (universal donors and recipients).
    • Explain the differences between arteries, veins, and capillaries.
    • Red blood cells travel from inferior vena cava to aorta.
    • Discuss internal, external, and cellular respiration.
    • Describe the mechanics of breathing, including inspiration and expiration.
    • Explain the importance of blood pressure, pulse, heartbeat, systolic and diastolic pressure.

    GENETICS

    • Review genetics problems and practice questions.
    • Differentiate mitosis and meiosis (cells, chromosome number, resulting cells, and functions).
    • Describe the two ways genetic variation is created in gametes and why this is important.
    • Describe the stages of mitosis.
    • Explain the process of meiosis, including synapsis, crossing over, and independent assortment.
    • Define dominant, recessive, genes, alleles, incomplete dominance, co-dominance, sex-linked traits, homozygous, and heterozygous.
    • Show possible blood types of children with given parent genotypes.
    • Determine possible phenotypes of a heterozygous female with normal vision and a colorblind male with brown eyes.

    EVOLUTION

    • Define evolution.
    • Explain the evidence supporting evolution.
    • Differentiate between types of natural selection (directional, disruptive, stabilizing, and sexual).
    • Define genetic drift and genetic bottleneck.
    • Define divergent, convergent, and coevolution.
    • Describe the 3 types of mutations in the environmental context.
    • Define vestigial structures and how they support evolution theory.
    • Compare theories of evolution as described by Lamarck and Darwin.
    • Use an example to explain how artificial selection supports Darwin's theory.
    • Describe 2 main types of reproductive speciation mechanisms and provide examples for each.
    • Differentiate between allopatric and sympatric speciation mechanisms.

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