Ecosystems Review Coach Book 5th grade

Both forests and grasslands are

•   aquatic ecosystems.

•   made up mostly of trees.

•   terrestrial ecosystems.

•   always in cold places.

Which is a freshwater ecosystem?

•   a salt marsh

•   an ocean

•   a lake

•   an estuary

An ecosystem contains ferns, rabbits, and many trees.  Which BEST describes this ecosystem?

•   grassland ecosystem

•   forest ecosystem

•   aquatic ecosystems

•   lake ecosystem

How are estuaries different from lakes, rivers, and oceans?

•   Estuaries contain both salt and freshwater.

•   Estuaries are terrestrial ecosystems.

•   Estuaries contain only salt water.

•   Estuaries contain only freshwater.

Which statement is TRUE about how living things get food?

•   Producers eat consumers.

•   Consumers eat only other consumers.

•   Producers eat other producers.

•   Producers make their own food.

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Which type of organism eats mainly animals?

•   omnivore

•   herbivore

• carnivore

•   producer

Which of the following is produced by photosynthesis?

• sunlight

•   carbon dioxide

• sugar

• water

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Which group do fungi, bacteria, and termites belong to?

• decomposers

• herbivores

• omnivores

• producers

Where would a decomposer be in a food chain?

•   between a producer and a consumer

•   between two consumers

•   at the end

•   at the beginning

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Mice and rabbits eat plants.  Hawks eat mice and rabbits.  Suppose a disease kills most of the rabbits in a meadow ecosystem.  Which of these is LEAST LIKELY to happen?

•   The hawks will eat more mice.

•   The mice will have more plants to eat.

•   The hawks will move to another meadow.

•   The mice will not have enough food.

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