Ecosystem (9th slide only) Flashcards by Stephanie Califeir | Brainscape

Q

Ecosystems are

A

self-sustaining

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Q

are transformers of energy & processors of matter

A

Ecosystem

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Q

Ecosystems are self-sustaining
what is needed?

A

Capture energy, transfer energy, nutrients cycle

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Q

cannot
be created ordestroyed

A

Matter

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Q

Ecosystem input

A

nutrients and energy

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Q

feeding relationship

A

Trophic levels

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Q

1st level of all food chains

A

plants

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Q

food chain levels

A

Producer, primary, secondary, tertiary

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Q

all levels connect to

A

decomposer

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Q

Loss of energy between levels of food chain

A

Inefficiency of energy transfer

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Q

energy lost to daily living

A

33% cellular respiration
50% waste

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Q

To where is the energy lost

A

The cost of living!

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Q

only this energy moves on to the next level in the food chain

A

17% growth

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