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Science > Ecology > Flashcards

Ecology Flashcards

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Biology 101 flashcards
1
Q

Biotic

A

Living things

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2
Q

Abiotic

A

Non-living things

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3
Q

Organism

A

Individual living thing

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4
Q

Species

A

Group of organisms that are able to breed

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5
Q

Population

A

Members of species that live in the same area

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6
Q

Community

A

All populations living in an area

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7
Q

Ecosystem

A

Community and it’s abiotic factors

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8
Q

Biosphere

A

All ecosystems on earth

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9
Q

Habitat

A

Where an organism lives

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10
Q

Niche

A

Description of role an animal has

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11
Q

Symbiotic relationship

A

Two species living together

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12
Q

Parasitic relationship

A

One benefits other is harmed

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13
Q

Mutation relationship

A

Both benefit

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14
Q

Commensalism relationship

A

One benefited other neither harmed nor benefited

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15
Q

Autotroph

A

Makes it’s own food

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16
Q

Heterotrophs

A

An organism that cannot make its own food

17
Q

Ecology

A

The study of how living things interact with each other and their environment

18
Q

Herbivore

A

A consumer that eats only plants

19
Q

Carnivore

A

A consumer that eats only meat

20
Q

Omnivore

A

An animal that eats both plants and meat

21
Q

Scavenger

A

A carnivore that feeds on the bodies of dead organisms

22
Q

Decomposer

A

Absorbes nutrients from dead things

23
Q

Food chain

A

A series of events in which one organism eats another and obtains energy

24
Q

Food web

A

A system of interlocking and inter pendent food chains

25
Q

Trophic level

A

Each step in a food chain or food web

26
Q

Pyramid of energy

A

A pyramid that shows the total amount of energy available at each trophic level

27
Q

Pyramid of biomass

A

Illustrates the relative amount of living material at each trophic level

28
Q

Pyramid of numbers

A

Shows the number of organisms at each trophic level

29
Q

Chemosynthesis

A

Process in which chemical energy is used to make food

Science (15 decks)

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