Ecosystems Flashcards

1
Q

The living components of an ecosystem

A

Biotic

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2
Q

The non-living components of an ecosystem.

A

Abiotic

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3
Q

A single living thing.

A

Organism

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4
Q

A group of different populations interacting in an ecosystem.

A

Community

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5
Q

A group of organisms of the same species in an ecosystem.

A

Population

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6
Q

All the organisms living in a particular area, as well as all the non-living components of the environment with which they interact.

A

Ecosystem

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7
Q

A region of land with characteristic climate, soil and organisms.

A

Biome

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8
Q

The area on and around earth that can sustain life.

A

Biosphere

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9
Q

The role of an organism in an ecosystem.

A

Niche

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10
Q

Plants that use energy from the sun to make nutrients they need to survive.

A

Producer

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11
Q

Organisms that eat food made by producers.

A

Consumer

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12
Q

An animal that eats only plant material.

A

Herbivore

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13
Q

An animal that eats only other animals.

A

Carnivore

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14
Q

An animal that eats other animals and plant material.

A

Omnivore

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15
Q

An organism that catches and eats other organisms of a different species.

A

Predator

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16
Q

An organism that is caught and eaten by another organism of a different species.

17
Q

An organism that eats dead or decaying plant or animal matter.

18
Q

Organisms that break down the cells of dead or waste materials and absorbs their nutrients.

A

Decomposer

19
Q

A sequence of feeding relationships among living organisms, as they pass on food energy.

A

Food chain

20
Q

The network of feeding relationships among organisms.

21
Q

An interaction between two organisms of different species living in close proximity that lasts over time.

22
Q

A symbiotic relationship in which one of the partners benefits and the other is harmed.

A

Parasitism

23
Q

A symbiotic relationship in which both partners benefit.

24
Q

A symbiotic relationship in which one partner benefits and the other is indifferent.

A

Commensalism

25
A pyramid showing the number of organisms at each level of a food chain.
Energy pyramid
26
The process by which new species gradually replace old species in an ecosystem.
Succession
27
When succession occurs with already existing soil.
Secondary succession
28
Sustainability
29
Eats plants
Primary consumer
30
Eats meat
Secondary consumer