Ecology Flashcards

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1
Q

Ecosystem

A

A community of organisms

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2
Q

Biotic Factor

A

Living components of a ecosystem

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3
Q

Abiotic Factor

A

Non living parts of a ecosystem

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4
Q

Organism

A

Plant, animal, single celled life form

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5
Q

Species

A

A group of living organisms

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6
Q

Population

A

Number or organisms

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7
Q

Community

A

Interacting group of species

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8
Q

Habitat

A

Place where a organism lives

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9
Q

Natural Selection

A

Organisms best adapted to their environment with survive

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10
Q

Evolution

A

Organisms are growing and changing

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11
Q

Producers/Autotroph

A

Makes its own food

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12
Q

Consumers/Heterotrophs

A

Needs to find food

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13
Q

Primary Consumer

A

Living organism that eats producers

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14
Q

Secondary Consumer

A

All herbivores

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15
Q

Tertiary Consumer

A

Feeds on only secondary consumers

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16
Q

Herbivores

A

Plant eaters

17
Q

Carnivores

A

Meat eaters

18
Q

Omnivores

A

Eats both plants and meat

19
Q

Decomposers

A

Break down decaying organisms

20
Q

Food chain

A

linear network that links food starting from producers

21
Q

Food web

A

A model showing the interconnecting food chain

22
Q

Energy Pyramid

A

Energy flow in community

23
Q

Carbon Cycle

A

Combines process. Photosynthesis, decomposition,respiration

24
Q

Nitrogen Cycle

A

Natural process in which nitrogen passes through soil

25
Q

Ecological Succession

A

Structure of a biological community the evolves over time

26
Q

Primary Succession

A

Part of the plant life

27
Q

Secondary Succession

A

Part of the plant life

28
Q

Pioneer Species

A

First life forms

29
Q

Climax Community

A

Animals remain stable and exist in balance with each other