ecology Flashcards

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1
Q

ecology

A

study of interactions between organisms and their environment

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2
Q

ecosystem

A

geographic are where a community of organisms interact w each other and their physical environment

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3
Q

habitat

A

natural home of an organism

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4
Q

species

A

group of organisms w similar characteristics which are able to interbreed to produce fertile offspring

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5
Q

population

A

group of organisms belonging to the same species which live in the same habitat

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6
Q

community

A

all different populations living in the same habitat

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7
Q

biotic factors

A

living organisms in an ecosystem habitat

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8
Q

abiotic physical factors

A

non living components of an ecosystem habitat

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9
Q

predator

A

an animal which hunts another animal for food

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10
Q

prey

A

an animal which is hunted by another animal for food

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11
Q

carnivore

A

animal which only feeds on other animals

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12
Q

herbivore

A

animal which only feeds on plants or plant materials

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13
Q

omnivore

A

animal which feeds on both animals and plants

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14
Q

producer

A

an organism which makes its own food

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15
Q

consumer

A

organism which relies on another organism for food
anything that does not photosynthesize

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16
Q

niche

A

role of an organism in an environment
predator prey student daughter producer

17
Q

environment

A

natural surroundings or conditions which affect the way of life of an organism (biotic and abiotic)

18
Q

detritivore

A

small organism which feeds on dead organic matter
(detritus)
earthworms maggots
see the mouth eating

19
Q

scavenger

A

consume a larger quantity of dead organic matter than detritivores many are a type of carnivore - hyena vulture

20
Q

saprotroph saprophyte

A

organism which feeds on dead organic matter at a microscopic level
digestion happens outside the saprotrophs body (external digestion)
fungi bacteria