Ecology Flashcards

(21 cards)

1
Q

Ecology

A

The study of the interactions between living things and their environment

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2
Q

Population

A

All the members of the same species in an area

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3
Q

Community

A

Contains many different
Populations

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4
Q

Habitat

A

The place which an organism lives

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5
Q

Ecosystem

A

Consists of a community of organisms and their environment

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6
Q

Biosphere

A

The part of the planet in which life is found

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7
Q

Food web

A

The series of interconnected food chains

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8
Q

Food chain

A

Feeding relationship between organisms through which energy is transferred

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9
Q

Niche

A

Specialised role in which the organism plays in the community in its ecosystem

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10
Q

Qualitative survey

A

Records only the presence or absence of species

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11
Q

Quantitative study

A

Record the number of each species

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12
Q

Competition

A

Occurs when two or more organism struggle for a resource that is in scare supply in a habitat

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13
Q

Intra specific competition

A

Takes place between members of the same species

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14
Q

Inter specific competition

A

Competition involving different species

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15
Q

Contest competition

A

Physical confrontation in which one organism gets all the resource where is the second is left without any

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16
Q

Scramble competition

A

All the organisms competing get some of the resource, but not all

17
Q

Predation

A

Catching killing and eating of another organism

18
Q

Parasite

A

Organism that feeds from and harms another organism

19
Q

Symbiosis

A

Occurs when two organisms from different species live in close association where at least one of them benefits

20
Q

Pollutant/polloution

A

Any harmful addition to the environment

21
Q

Conservation

A

Management of organisms