ch. 4 science test

1. Which is a decomposer?

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Tags

NGSS.MS-LS2-3

2. All the fish in a pond died. What will most likely happen to this ecosystem?

• The fish-eating animals will move to another pond.

• Flooding will cause the pond to increase in size.

• The animals in the ecosystem will all become herbivores.

• The pond will dry out to form a desert environment.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

3. Most food chains begin with a –

• predator

• large animal

• carnivore

• green plant

Tags

NGSS.MS-LS1-6

4. What makes its own food using the sunlight, air, and water?

• predators

• people

• producers

• populations

Tags

NGSS.MS-LS1-6

5. The ecosystem shown below is the home to what type of animals?

• river animals

• desert animals

• grassland animals

• forest animals

Eastern cottontail rabbits are commonly found in forest communities eating grass, leafy greens, and shrubs. These rabbits can best be described as –

• carnivores living in an aquatic ecosystem

• producers living in a water-related ecosystem

• omnivores in a food chain

• herbivores in a terrestrial ecosystem

7. Arrows in a food chain, always point to the organism-

• doing the eating

• on top of the food chain

• being eaten

• known as the producer

Tags

NGSS.MS-LS2-3

8. Which THREE images are fresh-water ecosystems?

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9. An animal that hunts other animals is called a –

• producer

• decomposer

• predator

• prey

10. What would most likely explain why a black bear population would move away from a forest?

• The thick trees became too difficult for the bears to freely roam.

• There was so much rain that the bears could not get dry.

• All the trees in an area were cut down and used for lumber.

• Temperatures in the winter months were colder than usual.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4