Chap 4 - Lilly Flashcards

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0
Q

THe struggle among organisms for water,food or other needs.

A

Competition

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1
Q

A substance in the environment that helps an organism survive.

A

Resource

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2
Q

What happens when harmful materials get into water,air, or land.

A

Pollution

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3
Q

When one kind of organism has very few of its kind left.

A

Endangered

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4
Q

The trace or remains of something that lived a long time ago.

A

Fossil

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5
Q

When one kind of organism has died out everywhere on earth.

A

Extinct

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6
Q

To use less of something.

A

Reduce

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7
Q

To use something again

A

Reuse

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8
Q

To turn old things into new things

A

Recycle

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9
Q

Water flowing over land that is usually dry

A

Flood

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10
Q

When there is an unusual lack of rain in an area for a long period of time

A

Drought

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11
Q

All the members of a single type of organism in an ecosystem

A

Population

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12
Q

All the living things in one place that interact

A

Community

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