Ecology, Ecodynamics, And Ecosystems (7th) Flashcards

1
Q

Hibernation

A

An adaptation for winter survival in which animals become in active and bodily functions slow down

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2
Q

Organic farming

A

Involves The use of natural fertilizers and pest controls

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3
Q

Migration

A

Seasonal movement of animals

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4
Q

Dormancy

A

State of being very quiet and appearing life-less

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5
Q

Deforestation

A

The complete removal of trees and other plants in an area

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6
Q

Eutrophication

A

Standing water becomes covered with algae, making it impossible for the top layer of water to mix with oxygen.

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7
Q

Erosion

A

The wearing away of land by water, wind, or ice

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8
Q

Drought

A

A period of unusually Low amount of precipitation

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9
Q

Flood

A

A period of unusually high amount of precipitation

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10
Q

Conservation

A

The careful use of the earth’s resources

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11
Q

Solar power

A

A clean and safe way of producing power using the sun’s energy

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12
Q

Limiting factors

A

Conditions that keep populations from increasing in size

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13
Q

Exotic species

A

Species that are not native to an area

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14
Q

Phototropism

A

The tendency of plants to grow towards the sun

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15
Q

Population

A

Organisms of one species living together in a particular area (habitat)

SSS- Same Species, same time

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16
Q

Community

A

Interacting populations living together in the same habitat

All different populations

17
Q

Habitat

A

The place an organism lives in a community

18
Q

Niche

A

The way a population finds three things to stay alive

1) food
2) living space
3) shelter

19
Q

Succession

A

The gradual change of a community over time. (Grass to bushes to pines to hardwoods)

20
Q

Pioneer species

A

The first plants to grow in an area. They create an area that helps other species to grow

21
Q

Renewable resource

A

Resources that can be replaced

22
Q

Non-renewable resources

A

Can’t be replaced (oil)

23
Q

Conservation

A

The wise and careful use of our resources

24
Q

Ecosystems

A

are all the living species in an are and the abiotic factors of that area

25
Q

Fire

A

The burning of brushes and small plants to tall trees

26
Q

What are three examples of human changes?

A

Deforestation, eutrophication, overpopulation

27
Q

What are four examples of natural changes?

A

Flood, fire, drought, and erosion

28
Q

Overpopulation

A

Too many people living in an area where the ecosystem can not hold

Leads to Urban Development/ urban sprawl in an area

29
Q

What are the five levels or environmental organization?

A

Organism, population, community, ecosystem, and biosphere

30
Q

Niche

A

The role of an organism within a community