20.1 - Energy Flow through Ecosystems Flashcards

1
Q

Ecosystem

A

Biotic and abiotic factors in a environment

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2
Q

Equilibrium

A

Remaining somewhat constant - measured by resistance & resilience

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3
Q

Resistance

A

Ability is remain equilibrium

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4
Q

Resilience

A

Speed of recovery after disturbance

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5
Q

Food chain

A

Linear sequence of energy passing from organisms

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6
Q

Food web

A

Multiple trophic interaction between other species, crossing trophic levels

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7
Q

Trophic

A

Energy, food, eating, nutrition

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8
Q

Trophic level

A

Organisms energy levell/role in a food chain/web

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9
Q

Producer

A

Base of pyramids, autotrophs/photosynthetic organisms

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10
Q

Primary consumer

A

Consumes producers (herbivores)

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11
Q

Secondary consumer

A

Consumes primary consumers (carnivores)

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12
Q

Tertiary consumer

A

Apex, top of chain; Carnivore consuming other carnivores

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13
Q

Quaternary consumer

A

Highest on chain

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14
Q

Autotroph

A

Producers their own food

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15
Q

Gross primary productivity

A

Rate/total amount of photosynthesis production

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16
Q

Net primary productivity

A

Amount of energy after respiration and heat loss

17
Q

Biomagnification

A

Concentration of toxic substance in organisms increases as the trophic levels is higher

18
Q

Respiration

A

Organisms exchanging gas with the environment (c02 and oxygen)