Organisms & Environment
2 years ago
jsantiagoilt
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Why is carbon dioxide important for plants?

    answer choices

    Carbon dioxide gives plants their green color.

    Plants can release carbon dioxide into the air.

    Plants use carbon dioxide to make their own food.

    Carbon dioxide lets plants absorb their roots.

  • Question 2
    30 seconds
    Q.

    What is the first element of the food web?

    answer choices

    Eagle

    Sun

    Water

    Wolf

  • Question 3
    30 seconds
    Q.

    Every ecosystem supplies the basic needs for the organisms that live there. What are the basic needs of all organisms?

    answer choices

    Air, water, food, habitat

    Food, water, habitat, space

    Air, water, food, protection

    Food, attention, change, water

  • Question 4
    30 seconds
    Q.

    During which stage of complete metamorphosis does an insect change itself completely from a larva to an adult?

    answer choices

    Egg stage

    Larva stage

    Nymph stage

    Pupa stage

  • Question 5
    30 seconds
    Q.

    Which organism in a food web is a producer?

    answer choices

    Aphid

    Beetle

    Rosebush

    Spider

  • Question 6
    30 seconds
    Q.

    Ecosystem change for many different reasons. Which of the following is a natural cause of changes in an ecosystem?

    answer choices

    Farming

    Housebuilding

    Hurricanes

    Pollution

  • Question 7
    30 seconds
    Q.

    Saguro Cacti live in parts of California, Arizona and Mexico. Gila woodpeckers build their nests inside saguro cacti. The saguro cacti and the gila woodpeckers are both part of the same:

    answer choices

    atmosphere

    ecosystem

    food web

    species

  • Question 8
    30 seconds
    Q.

    Which organisms release oxygen into the air as part of the carbon dioxide - oxygen cycle?

    answer choices

    Consumers

    Decomposers

    Predators

    Producers

  • Question 9
    30 seconds
    Q.

    Plants in a food web are:

    answer choices

    consumers

    decomposers

    producers

    suppliers

  • Question 10
    60 seconds
    Q.

    Which of the following statements is correct?

    answer choices

    Every organism in an ecosystem eats plants to get energy.

    Predators in an ecosystem get their energy directly from plants.

    All organisms in an ecosystem get their energy from both living and non-living things.

    Every animal in an ecosystem gets its energy from another organism in the ecosystem.

  • Question 11
    30 seconds
    Q.

    The purpose of a food chain is to show:

    answer choices

    the flow of energy through an ecosystem.

    the number of organism in an ecosystem.

    how animals compete for food in an ecosystem.

    the organism living near each other in an ecosystem.

  • Question 12
    30 seconds
    Q.

    Living things that make their own food using air, light, soil and water are called:

    answer choices

    changers

    consumers

    decomposers

    producers

  • Question 13
    60 seconds
    Q.

    People can affect environment in both good and bad ways. Which is one way that people can affect the environment in a good way?

    answer choices

    Watering their lawns every day.

    Reducing the amount of driving they do.

    Sorting their trash before throwing it out.

    Watching television specials about nature.

  • Question 14
    60 seconds
    Q.

    A porcupine is covered with a coat of sharp spines called quills. Quills help the porcupine survive in its environment by:

    answer choices

    helping it locate sources of food.

    keeping it warm in cold weather.

    defending the porcupine from enemies.

    making it easier for the porcupine to climb trees.

  • Question 15
    30 seconds
    Q.

    The plants process of making food and releasing oxygen into the air is called:

    answer choices

    energy release

    photosynthesis

    the carbon cycle

    the oxygen cycle

  • Question 16
    45 seconds
    Q.

    The falcon has a sharp, hooked beak. It also has sharp, curved claws called talons. The falcon's beak and talons are most likely adaptations for:

    answer choices

    hiding

    hunting

    protection

    swimming

  • Question 17
    30 seconds
    Q.

    Insects go through stages to grow and change form. This process is called:

    answer choices

    adaptation

    cycle

    development

    metamorphosis

  • Question 18
    30 seconds
    Q.

    If the mouse population disappeared from the ecosystem, the fox would most likely:

    answer choices

    hunt owls and birds

    eat grasses and grains

    disappear from the food web

    eat more rabbits and squirrels

  • Question 19
    60 seconds
    Q.

    Which of the following statements is correct?

    answer choices

    Plants are the source of all energy in an ecosystem.

    The removal of one organism would not affect an ecosystem.

    All of the organisms within an ecosystem are important to its survival.

    An increase in an organism's population would not affect an ecosystem.

  • Question 20
    30 seconds
    Q.

    Some insects hatch directly from eggs during incomplete metamorphosis. These young insects are called:

    answer choices

    adults

    larva

    nymphs

    pupa

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