Energy, trophism, and productivity Flashcards

1
Q

Energy Imputs

A

Come from the sun

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2
Q

Energy outputs

A

Come from earth

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3
Q

What is OPEN energy?

A

Energy that flows to and from earth

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4
Q

What is Closed Energy?

A

Energy that are WITHIN the earth

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5
Q

What is nutrients cycles an example of?

A

Closed system

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6
Q

What is the flow of energy considered?

A

An Open System

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7
Q

First Law of Thermodynamics

A

Energy cannot be created or destroyed, it can only change form

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8
Q

Where does all energy come from?

A

The sun

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9
Q

-Troph

A

Self nourishing, producers

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10
Q

How are consumers organized?

A

Into trophic levels

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11
Q

Where are producers always at on a trophic level?

A

The bottom

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12
Q

Heterotrophs?

A

Consumers

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13
Q

What are some examples of heterotrophs

A

Herbivores, Carnivores, Omnivores, and detritivores (all get their energy from consuming a producer)

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14
Q

What do decomposers do?

A

Break down dead materials (bacteria, fungi, worms)

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15
Q

Detritivores?

A

Consume material to break it down

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16
Q

Producer

A

Photosynthetic Organisms, gets energy from the sun

17
Q

Primary Consumers

A

Always have a second trophic level as they eat plants

18
Q

Secondary Consumers

A

Could be carnivores or omnivores at the third level, eat the organisms that eat plants

19
Q

Tertiary Consumera

A

Apex predatores, eats the organisms that eats the organisms that eats plants. TOP DOGS

20
Q

How much light makes it to the plant?

A

1%

21
Q

Where does the other 99% of energy goes?

A

To surfaces, or are reflected back to the sun

22
Q

GPP

A

Gross primary productivity, overall rate off energy that is captures by the producer (60%)

23
Q

NPP

A

Net Primary Productivity always lower than GPP, usually less than 40%

24
Q

How much of the 1% goes to producers?

A

100%

25
Q

Primary consumers energy amount?

A

10%

26
Q

Secondary consumers energy amount?

A

1%

27
Q

Tertiary consumers energy amount?

A

.1%

28
Q

How much energy transfer goes to each level?

A

10% each level