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Third Grade (Grade 3) Communities, Populations, and Ecosystems Questions

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Grade 3 Communities, Populations, and Ecosystems
What is something that forces an ecosystem to change?
  1. disturbance
  2. interdependence
  3. adaptation
  4. succession
Grade 3 Communities, Populations, and Ecosystems
A habitat is made up of all the living and nonliving things that interact in one place.
  1. True
  2. False
Grade 3 Communities, Populations, and Ecosystems
All ecosystems have the same soil.
  1. True
  2. False
Grade 3 Communities, Populations, and Ecosystems
Which is probably the home or shelter for a mouse?
  1. nest of twigs
  2. hollow log
  3. shell
  4. under a rock
Grade 3 Communities, Populations, and Ecosystems
Which animal lives in a polar habitat?
  1. giraffe
  2. hippo
  3. snake
  4. walrus
Grade 3 Communities, Populations, and Ecosystems
An            ecosystem            is the living and nonliving things in an area that affect one another, like a pond.
Grade 3 Communities, Populations, and Ecosystems
There are         seven         major ecosystems.
Grade 3 Communities, Populations, and Ecosystems
Animals that eat meat (other animals) are called              carnivores             .
Grade 3 Communities, Populations, and Ecosystems
            Community            is all the population in an ecosystem.
Grade 3 Communities, Populations, and Ecosystems
All the frogs living in a pond make up its              population             .
Grade 3 Communities, Populations, and Ecosystems
              environment              is everything that is around a plant or animal.
Grade 3 Communities, Populations, and Ecosystems
How can ecosystems change over time?
Grade 3 Communities, Populations, and Ecosystems
Many living things may share an environment and its resources. Name 4 shared resources.
Grade 3 Communities, Populations, and Ecosystems
What is a habitat?
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