Ecology Flashcards

1
Q

Ecology

A

Study of relationships between living organisms and their environment

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2
Q

Ecosystem

A

Group of organisms that interact with each other and their physical environment

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3
Q

Biosphere

A

Part of planet where life can exist

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4
Q

Habitat

A

Physical place where organisms live

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5
Q

Species

A

Group of organisms that can reproduce with each other to produce fertile offspring

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6
Q

Population

A

(Number of) all the organisms of the space species living in the same area

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7
Q

Flora

A

Plants in an ecosystem

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8
Q

Fauna

A

Animals in an ecosystem

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9
Q

Abiotic factors

A

Non-living factors (that influence population in an ecosystem)

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10
Q

Biotic factors

A

Living factors (That affect population in an ecosystem )

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11
Q

Edaphic factors

A

Factors relating to the soil

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12
Q

Climatic factors

A

Weather factors over a long period of time

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13
Q

Name three examples of abiotic factors

A

Temperature, light intensity, Ph

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14
Q

Name three examples of Biotic factors

A

Prey, predators, parasites

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15
Q

Name three examples of edaphic factors

A

Soil Ph, soil type, soil temperature

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16
Q

Name three examples of climatic factors

A

Temperature, wind, light intensity

17
Q

Niche

A

Role of an organism in the ecosystem

18
Q

Why cannot two species who occupy the same niche live together

A

They will be competing for limited resources

19
Q

What is competition

A

When organisms fight for limited resources

20
Q

Name and briefly explain two aquatic factors

A

Light penetration (plankton grown best in upper surface)
Currents move Organisms (Need for attachment)