Ecology Flashcards

1
Q

ecosystem

A

Community of interacting organisms

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2
Q

biotic factor

A

living components of an ecosystem

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3
Q

abiotic factor

A

a nonliving condition or thing

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4
Q

organism

A

all living things

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5
Q

species

A

a group of organisms

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6
Q

population

A

the amount of species/organisms in a certain enviroment

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7
Q

community

A

an interacting group of many species

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8
Q

habitat

A

a natural home or enviroment

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9
Q

natural selection

A

where organism adapt to their enviroment helping survive and create offspring

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10
Q

evolution

A

the history of the world

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11
Q

autotrophs

A

creates own food

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12
Q

heterotrophs

A

depends on other things for food

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13
Q

Primary

A

feeds on primary producers, meaning plant life.

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14
Q

Secondary

A

EATS ONLY PLANTS

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15
Q

tertiary

A

Feeds only on secondary consumers. Carnivores

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16
Q

herbivores

A

Eats only plants

17
Q

carnivores

A

Eats only meat

18
Q

omnivores

A

Eats both

19
Q

decomposers

A

Breaks things in the earth down

20
Q

food chain

A

a series of organisms that are dependent on the one before it

21
Q

foodweb

A

Interlocking and interdependent food chains

22
Q

energy pyramid

A

Graphic model of energy flow in a community

23
Q

carboncycle

A

Carbon and its compounds are interconverted into an enviroment

24
Q

nitrogen cycle

A

nitrogen and its compounds are interconverted into an enviroment

25
Q

ecological sucession

A

Process change in the species structure on a community

26
Q

primary sucession

A

succession of plant life

27
Q

secondary succession

A

started by an event that reduces an already established ecosystem

28
Q

Pioneer species

A

first to colonize

29
Q

climax community

A

term for a community filled with animals plants and fungi