Ecosystem Flashcards

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1
Q

Energy pyramid

A

a model that shows the available amount of energy in each trophic layer in an ecosystem

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2
Q

Food web

A

a model that shows many different feeding relationships among living things

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3
Q

Decomposer

A

organisms which carry out the process of decomposition by breaking down dead or decaying organisms

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4
Q

Food Chain

A

a model that shows one set of feeding relationships among living things

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5
Q

Coniferous

A

a type of plant with needle-like leaves that uses cones to reproduce

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6
Q

Consumer

A

an organism that eats other living things to get energy; an organism that does not produce its own food (related word: consume)

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7
Q

Biome

A

a major ecological community such as grassland, tropical rain forest, or desert

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8
Q

Deciduous

A

a forest containing trees that lose their leaves each year

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9
Q

Ecology

A

the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

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10
Q

Cycle

A

a process that repeats

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11
Q

Nitrogen Cycle

A

a process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms then eventually returns to the atmosphere

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12
Q

Biotic factors

A

all of the living parts of an ecosystem

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13
Q

Water Cycle

A

the continual movement of water between the land, ocean, and the air

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14
Q

Abiotic Factor

A

all of the nonliving parts of an ecosystem

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15
Q

Producer

A

an organism that makes its own food; an organism that does not consume other plants or animals

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16
Q

Carbon Cycle

A

a natural cycle in which carbon compounds, mainly carbon dioxide, are incorporated into living tissue through photosynthesis and returned to the atmosphere by respiration, decay of dead organisms, and the burning of fossil fuels

17
Q

Predator

A

an animal that hunts and eats another animal

18
Q

Prey

A

an animal that is hunted and eaten by another animal

19
Q

Succession

A

the progressive replacement of one community by another until a climax community is established.