Science 2.1-2.2 Flashcards Preview

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Flashcards in Science 2.1-2.2 Deck (14):
1

Producer

An organism that can make its own food

2

Consumer

An organism that obtains energy by feeding on other organisms

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Herbivore

A consumer that obtains energy by eating only plants

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Carnivore

A consumer that obtains energy by eating only animals

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Scavenger

A carnivore that feeds on the bodies of dead or decaying organisms

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Omnivore

A consumer that obtains energy by eating both plants and animals

7

Decomposer

An organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water.

8

Food chain

A series of events in an ecosystem in which organisms transfer energy by eating and being eaten

9

Food web

The pattern of overlapping reading relationships or food chains among the various organisms in an ecosystem

10

Energy pyramid

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

11

Evaporation

The process by which molecules at the surface of a liquid absorb enough energy to change to a gas

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Condensation

The change in state from a gas to a liquid

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Precipitation

Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail

14

Nitrogen Fixation

The process of changing free nitrogen gas into nitrogen compounds that plants can absorb and use