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15 questions
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  • Q1
    Which human activity most directly causes a significant increase in the amount of carbon dioxide in the atmosphere?
    growing corn for food
    driving cars long distances
    not using products containing plastics
    planting large numbers of trees
    60s
    4.1
  • Q2
    Which statement most accurately predicts the result of interfering with populations in the web?
    Question Image
    Removing all the mountain lions from the food web will benefi t the ecosystem.
    Removing the cricket and rabbit populations would cause the number of trees to decrease.
    Removing the cricket population will have little effect on the balance of the food web.
    Removing deer from the food web will affect the rabbit and grass populations.
    60s
    4.1
  • Q3
    Which system in a multicellular organism functions most like the cytoplasm in a singlecelled organism?
    immune
    reproductive
    circulatory
    nervous
    60s
    4.1
  • Q4
    The ATP molecule above is commonly used to
    Question Image
    balance the nutrients in an ecosystem
    diffuse water across a membrane
    move molecules from a high to a low concentration
    actively transport molecules in an organism
    60s
    4.1
  • Q5
    Single-celled organisms are able to maintain homeostasis, even though they lack higher levels of organization such as organs and organ systems, because
    single-celled organisms are able to coordinate organ functions to maintain homeostasis
    single-celled organisms do not carry out the same life processes as multicellular organisms
    multicellular organisms do not rely on tissues or organs to carry out life processes
    cell structures work together to maintain homeostasis in single-celled organisms
    60s
    4.1
  • Q6
    In single-celled organisms, materials are stored primarily in
    vacuoles
    nuclei
    ribosomes
    mitochondria
    60s
    4.1
  • Q7
    The presence of these fish in American waters is of concern because it might offer too much competition to native
    Question Image
    herbivores
    decomposers
    predators
    producers
    60s
    4.1
  • Q8
    In a food web, which type of organism receives energy from the other three types?
    decomposer
    carnivore
    herbivore
    producer
    60s
    4.1
  • Q9
    An amoeba is a single-celled, heterotrophic organism. In order to meet its energy needs, it relies directly on the interaction of which cell structures?
    chloroplasts and the cell membrane
    vacuoles and the nucleus
    the cell membrane and mitochondria
    nucleus and ribosomes
    60s
    4.1
  • Q10
    Which cell structure plays a direct role in the release of this chemical from the cell?
    Question Image
    cell membrane
    nucleus
    ribosome
    chloroplast
    60s
    4.1
  • Q11
    The removal of the predator populations from an ecosystem would most likely result in
    an increase in all the producer populations
    a decrease in all the prey populations
    an increase in ecosystem diversity
    a decrease in ecosystem diversity
    60s
    4.1
  • Q12
    A corn field includes corn plants, mice, hawks, and various insects, fungi, and bacteria. Which nutritional role is correctly paired with organisms that carry out that role?
    heterotrophs - corn and bacteria
    producers - insects and fungi
    consumers - mice and insects
    decomposers - hawks and bacteria
    60s
    4.1
  • Q13
    60s
    4.1
  • Q14
    The brown tree snake was accidentally introduced to the island of Guam during World War II. Since then,this snake has caused the extinction of twelve native bird species by eating their eggs and young. One negative result of this snake's introduction was most likely
    Question Image
    an increase in mosquitoes due to an increase in bird species in the environment
    an abundance of brown tree snakes as a food source for humans
    a disruption of food chains and food webs in Guam's ecosystems
    an increase in diversity as new species evolved to replace extinct species
    60s
    4.1
  • Q15
    A direct result of the rapid decline of the passenger pigeon population was most likely
    Question Image
    an increase in chipmunk and squirrel populations
    an increase in owl and falcon populations
    an increase in chipmunk and squirrel populations
    a decrease in squirrel and chestnut tree populations
    60s
    4.1

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