ENERGY Flashcards

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1
Q

`swhich of the following is NOT needed for photosynthesis to take place?

A

oxygen

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2
Q

what are the reactants (inputs) for cellular respiration

A

glucose and oxygen

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3
Q

Photosynthesis uses sunlight to convert water and carbon dioxide into

A

oxygen & glucose

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4
Q

which of the following is NOT a “cycle”
Phosphorus, Energy, Water, Nitrogen

A

energy

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5
Q

The Trophic structure of an ecosystem can be summarized in the form of a(n)

A

ecological pyramid

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6
Q

The primary consumer would be which level on the energy pyramid

A

2nd

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7
Q

Which of the following is NOT an example of a consumer
carnivore, omnivore, producer, herbivore

A

producer

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8
Q

in the carbon cycle, organisms exchange __ with the atmosphere

A

carbon dioxide

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9
Q

where is the energy the highest in the food chain: grass, rabbit, hawk, bacteria

A

grass

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10
Q

what are the products for photosynthesis

A

glucose and oxyen

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11
Q

photosynthesis is to chloroplasts as cellular respiration is to ___

A

mitochondria

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12
Q

photosynthesis equation

A

6CO2 + 6H2O + ATP –> 6O2 + C6H12O6

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13
Q

given enough time, all water eventually returns to the

A

oceans

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14
Q

the carbon dioxide we exhale is a by-product of which step in cellular respiration?

A

glycolysis and the krebs cycle

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15
Q

when numerous food chains link to each other in an ecosystem, it is called a

A

food web

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16
Q

only __% of energy gets passed on from one trophic level to the next

A

10%

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17
Q

ecological pyramids are built from a

A

all of the above (look)

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18
Q

plants rely heavily on ___ in the nitrogen cycle to incorporate nitrogen into organic compounds

A

bacteria and viruses

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19
Q

phosphorus is needed for the production of

A

ATP

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20
Q

Ecosystems possess

A

both living and non-living componenets

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21
Q

what molecule does aerobic repiraiton use that anaerobic repiration is missing

A

oxygen

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22
Q

how much ATP does each round of aerobic respiration produce

A

36

23
Q

heterotrophs that “clean up” the ecosystem by eating dead and decaying organisms
(omnivores, autotrophs, detritivores, herbivores)

A

detritivores

24
Q

the level in an ecological pyramid that includes all the organisms that share the same place in a food chain

A

trophic levels

25
Q

the third trophic leverl where the animals eat herbivores

A

secondary consumer

26
Q

domplex trophic relationships in an ecological pyramid

A

food web

27
Q

one organism consuming another organism

A

trophic relationships

28
Q

parts of an ecosystem that are not living

A

abiotic factors

29
Q

the flow of carbon from teh atmosphere to plants, to animals to the soil and back into the atmosphere

A

carbon cycle

30
Q

all energy in an ecosystem comes from the sun. this energy is passed through the ecosystem as organisms eat other organisms

A

flow of energy

31
Q

heterotrophs that get energy and nutrition from dead or decaying organisms or their waste products and recycle nutrients back to the ecosystem

A

decomposer

32
Q

Only 10% of the energy is passed on from one trophic level to the next. 90% is lost as heat due to cellular respiration or waste

A

10% rule

33
Q

the flow of nitrogen from teh atmosphere to the soil, to plants, to animals and then back to the soil or back into the atmosphere

A

nitrogen cycle

34
Q

parts of an ecosystem that are living or deal with the living

A

biotic factors

35
Q

animal that gets its energy and nutrition from eating

A

herbivore

36
Q

the fourth trophic level where animals eat secondary consumers or below

A

tertiary consumer

37
Q

autotrophs- the bottom trophic level where all organisms produce their own food, usually by photosynthesis

A

producers

38
Q

organisms that produce their own food mostly thought photosynthesis

A

autotrophs

39
Q

animal that gets its energy and nutrition form eating meat

A

carnivore

40
Q

organisms that get their energy and nutritions from other organisms

A

heterotrophs

41
Q

herbivores- the second trophic level where herbivores eat the primary producers

A

primary consumers

42
Q

What organisms in an ecosystem break down organic material and recycle nutrients?

A

decomposers

43
Q

Photoautotrophs use energy from sunlight to make food. What process allows photoautotrophs to make food?

A

photosynthesis

44
Q

Which of the following is a scavenger?

A

vultures, raccoons, blowflies

45
Q

What are examples of types of heterotrophs?

A

herbivores, carnivores, omnivores

46
Q

How do decomposers help other organisms in an ecosystem?

A

they return nutrients back to the soil

47
Q

Which of the following are types of consumers?

A

herbivores, omnivores, carnivores

48
Q

How do producers obtain their food?

A

they make their own food

49
Q

How do consumers obtain their food?

A

they consume food from outside sources

50
Q

If decomposers were removed entirely from an ecosystem, which of the following would be affected the most?

A

recycling of nutrients

51
Q

What demonstrates the flow of energy and materials through ecosystems in a single pathway?

A

food chain

52
Q

A food web is a diagram of feeding relationships that includes multiple intersecting food

A

chains

53
Q

What do the arrows between organisms within a food web represent?

A

the flow of energy from one organism to another