Ecology Test Flashcards

0
Q

Abiotic

A

Nonliving things that organisms depend on

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1
Q

What is studied in ecology

A

Study of how organisms depend on each other and depended on the environment to survive

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2
Q

Biotic factor

A

Living things that organisms depend on

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3
Q

Ecology chain

A

Organism to population to community to ecosystem to biome to biosphere

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4
Q

Organism

A

Living thing

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5
Q

Population

A

Group of organisms in the same area

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6
Q

Community

A

Populations in the same area

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7
Q

Ecosystem

A

Many communities, living and non living

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8
Q

Biome

A

Many ecosystems

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9
Q

Biosphere

A

All biomes on earth

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10
Q

Density independent

A

Doesn’t depend on population density, effects everyone the same

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11
Q

Density dependent factor

A

Depends on density, effects different populations the same

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12
Q

Emigration

A

Moving out

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13
Q

Immigration

A

Moving in

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14
Q

Birth rates

A

Rate of being born

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15
Q

Death rate

A

Rate of deaths

16
Q

Exponential population growth

A

Unlimited

17
Q

Logistical population growth

A

Fixed, up until carrying capacity

18
Q

Habitat

A

Location, where it lives

19
Q

Niche

A

Role in the environment, specific

Needs

20
Q

Competition

A

When two organisms try and share the same niche

21
Q

Predation

A

Looking for prey

22
Q

Mutualism

A

Win win

23
Q

Paratism

A

Win lose

24
Q

Commensalism

A

win neutral

25
Q

Why are decomposers important

A

Break down everything and recycle nutrients back into the soil

26
Q

Hippo

A
Habitat loss
Imported species 
Pollution 
Population growth 
Over exploitation