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Fourth Grade (Grade 4) Communities, Populations, and Ecosystems Questions

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Grade 4 Communities, Populations, and Ecosystems
Several species living and interacting with other species in an ecosystem is a(n)                .
  1. population.
  2. community.
  3. environment.
  4. ecosystem.
Grade 4 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. place where animals go eat.
  2. place where animals go to graze.
  3. community of plants and animals and the physical environment in which they live.
Grade 4 Communities, Populations, and Ecosystems
A living thing's home is its
  1. trait.
  2. habitat.
  3. soil.
  4. food web.
Grade 4 Communities, Populations, and Ecosystems
What is the role of an organism within its environment?
  1. factor
  2. ecosystem
  3. accommodation
  4. niche
Grade 4 Communities, Populations, and Ecosystems
The                 is defined as where an animal lives.
  1. biome
  2. habitat
  3. ecosystem
Grade 4 Communities, Populations, and Ecosystems
For an insect, the space under a rock is likely its                .
  1. population.
  2. niche.
  3. food source.
  4. habitat.
Grade 4 Communities, Populations, and Ecosystems
Where do almost all ecosystems get their energy from?
  1. soil.
  2. air.
  3. Sun.
Grade 4 Communities, Populations, and Ecosystems
A habitat provides evidence that organisms existed long ago.
  1. True
  2. False
Grade 4 Communities, Populations, and Ecosystems
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
  1. The rabbit population may increase.
  2. The rabbit population may decrease.
  3. The bobcat population may decrease.
  4. The bobcat population may stay the same.
Grade 4 Communities, Populations, and Ecosystems
Are all the living and nonliving things in an environment that interact an ecosystem?
  1. yes
  2. no
Grade 4 Communities, Populations, and Ecosystems
When two or more blue jays live and interact in the same area, the blue jays are a(n)
  1. ecosystem.
  2. community.
  3. habitat.
  4. population.
Grade 4 Communities, Populations, and Ecosystems
A group of only one type of organism is a                .
  1. community.
  2. population.
  3. producer.
  4. consumer.
Grade 4 Communities, Populations, and Ecosystems
Everything that surrounds and affects an animal, including living and nonliving things, is
  1. climate.
  2. environment.
  3. shelter.
  4. oxygen.
Grade 4 Communities, Populations, and Ecosystems
An ecosystem can be very small.
  1. True
  2. False
Grade 4 Communities, Populations, and Ecosystems
A group of the same kind of individuals living in the same area is called a population.
  1. True
  2. False
Grade 4 Communities, Populations, and Ecosystems
Suppose there are two ecosystems, A and B. Ecosystem A has moist soil, seeds, healthy communities, mild temperatures, and plenty of water. Ecosystem B has sandy and rocky soil, little or no water, no communities, and very hot temperatures. What is most likely to happen?
  1. Plants in A will be smaller and fewer than plants in B.
  2. Plants in B will be larger and more abundant.
  3. Plants in B will be likely to attract communities.
  4. Plants in A will be larger and more abundant.
Grade 4 Communities, Populations, and Ecosystems
A niche is a(n)
  1. community of animals.
  2. organism's special role in the environment.
  3. kind of habitat.
  4. part of the food web.
Grade 4 Communities, Populations, and Ecosystems
What are the basic needs of organisms?
  1. water, food, haircuts, space, and air
  2. water, food, bed, pillow, and sleep
  3. water, food, habitat, space, and air
  4. water, food, habitat, sun, and air
Grade 4 Communities, Populations, and Ecosystems
An area or place where an organism lives in an ecosystem is its
  1. habitat.
  2. ecosystem.
  3. niche.
Grade 4 Communities, Populations, and Ecosystems
Living and nonliving things interact in an environment in a(n)
  1. food chain.
  2. ecosystem.
  3. food web.
  4. community.
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