Environmental changes

• Cattle that eat grass and feed
• Goats that eat weeds and shrubs
• Turkeys that eat seeds and fruit
• Hogs that eat fruit, seed and feed

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• Soil
• Sunlight
• Water
• Oxygen

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• F
• G
• H
• J

• A
• B
• C
• D

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• Graph F
• Graph G
• Graph H
• Graph J

all of the interacting members of the same species in an area 

• overpopulation
• community
• population
• environment

If all of the water dries up in a pond, the fish will-

• move into a new pond.

• swim faster.

• thrive.

• perish.

When a population thrives, it means that-

• the number of organisms is decreasing.

• it is growing strong and reproducing.

• the number of organisms is increasing.

• the number of organisms stays the same.

A fire destroys all of the trees and plants in the forest. How might this affect the birds in the area?

• The birds will plant seeds and grow new trees.

• The birds will have more food to eat.

• The birds will plant seeds and grow new trees.

• The birds will have no place to build their homes.

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Which of the following gives an example of how birds modify their environment to meet their needs?

• Birds use twigs to build a nest.

• Birds hatch eggs and feed their young.

• Birds breathe air and drink water.

• Birds find food.