5th periode science Flashcards

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1
Q

Decomposition –

A

the process by which decomposers break down dead material and waste into simpler substances

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2
Q

Energy pyramid –

A

a diagram that demonstrates the flow of energy through a food chain

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3
Q

Photosynthesis –

A

the process by which producers/plants use the energy in sunlight to create their own food

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4
Q

Trophic level –

A

the position that an organism occupies in a food chain, food web, or energy pyramid (e.g., producer, primary consumer, etc.)

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5
Q

Chemical Energy-

A

the potential of a chemical substance to undergo a chemical reaction to transform into other substances

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6
Q

Consumer-

A

animals that eat primary producers

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7
Q

Decomposer-

A

an organism, especially a bacteria or fungus, that decomposes organic material.

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8
Q

Food Chain-

A

a hierarchical series of organisms each dependent on the next as a source of food.

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9
Q

Food Web-

A

a system of interlocking and interdependent food chains.

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10
Q

Producer-

A

an organism that makes its own food from light energy or chemical energy without eating

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11
Q

Radiant Energy-

A

the energy we get from the sun, includes infrared and ultraviolet energy

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12
Q

Autotroph-

A

an organism that can make its own food ex. Photosynthesis

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13
Q

Heterotroph-

A

an organism that eats other plants or animals for energy and nutrients.

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14
Q

Thermal Energy-

A

also known as heat energy, is the energy an object has because of the movement of its molecules

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15
Q

Mechanical Energy-

A

the energy that is possessed by an object due to its motion

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