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AP Biology Unit 8B: Population Ecology & Environmental Systems — practice questions — page 2

Explore 53 free Unit 8B: Population Ecology & Environmental Systems questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Unit 8B: Population Ecology & Environmental Systems questions and exercises with answers

Showing questions 31–53 of 53.

Tap the density-dependent factorsRead the answer and worked solution →Stop on the right curveRead the answer and worked solution →True or false: population ecologyRead the answer and worked solution →Complete the growth storyRead the answer and worked solution →CLASS8 · Biology · Spot the Error — BiologyRead the answer and worked solution →CLASS10 · Biology · Food Chain — Tap in OrderRead the answer and worked solution →Match the trophic level to its role (CBSE Cl 10)Read the answer and worked solution →True or false on ecosystems (CBSE Cl 10)Read the answer and worked solution →The process by which green plants make their food using sunlight is:Read the answer and worked solution →The chemical equation for cellular respiration in humans is:Read the answer and worked solution →The functional unit of the kidney is the:Read the answer and worked solution →Stomata on leaves help in:Read the answer and worked solution →Blood from the lungs returns to the heart through:Read the answer and worked solution →Bile is produced by the:Read the answer and worked solution →The enzyme that digests starch (in human saliva) is:Read the answer and worked solution →Xylem transports:Read the answer and worked solution →The site of cellular respiration in human cells is the:Read the answer and worked solution →The opening between vocal cords through which air passes into the windpipe is called:Read the answer and worked solution →The respiratory PIGMENT in human blood that carries oxygen is:Read the answer and worked solution →The double-circulation system of mammals means:Read the answer and worked solution →Bile DOES NOT contain any digestive enzyme, yet it AIDS in digestion of fats because it:Read the answer and worked solution →The semi-permeable membrane of glomerulus and Bowman's capsule, where blood is filtered, is called the:Read the answer and worked solution →Anaerobic respiration in human muscles produces:Read the answer and worked solution →

Worked practice questions

Tap the density-dependent factors

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Questions
  1. Items
    1. Text
      Predation
      Matches the category
      Yes
    2. Text
      Competition
      Matches the category
      Yes
    3. Text
      Waste build-up
      Matches the category
      Yes
    4. Text
      Forest fires
      Matches the category
      No
    5. Text
      Volcanic eruption
      Matches the category
      No
    Category
    Density-dependent
  2. Items
    1. Text
      Forest fires
      Matches the category
      Yes
    2. Text
      Volcanic eruption
      Matches the category
      Yes
    3. Text
      Seasonal change
      Matches the category
      Yes
    4. Text
      Predation
      Matches the category
      No
    5. Text
      Parasite disease
      Matches the category
      No
    Category
    Density-independent
Instructions
Tap only the items that belong to the named category.
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 45 'Population and Community Ecology', sections 45.1-45.4_

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Stop on the right curve

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Questions
  1. Answer
    Type I curve
    Question
    Humans and most primates follow it.
  2. Answer
    Type II curve
    Question
    Birds die about equally at each age.
  3. Answer
    J-shaped curve
    Question
    Growth with no limit on resources.
  4. Answer
    S-shaped curve
    Question
    Growth that levels at carrying capacity.
Choices
  1. Type I curve
  2. Type II curve
  3. J-shaped curve
  4. S-shaped curve
Instructions
Tap once to start the sweep, then tap again to stop it on the right answer.
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 45 'Population and Community Ecology', sections 45.1-45.4_

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True or false: population ecology

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Questions
  1. Statement is true
    Yes
    Statement
    Quadrats suit immobile organisms such as plants.
  2. Statement is true
    No
    Statement
    Semelparity means reproducing repeatedly for years.
  3. Statement is true
    Yes
    Statement
    Logistic growth produces an S-shaped curve.
  4. Statement is true
    No
    Statement
    Predation is a density-independent factor.
  5. Statement is true
    Yes
    Statement
    K-selected species suit stable, predictable places.
Instructions
Tap True or False for each statement.
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 45 'Population and Community Ecology', sections 45.1-45.4_

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