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Science > Photosynthesis & Respiration & Ecosystems > Flashcards

Photosynthesis & Respiration & Ecosystems Flashcards

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1
Q

What is Bioaccumulation?

A

The build up of toxic chemicals inside organisms in a food chain.

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2
Q

What three things do a plant need to survive?

A

Water, Sunlight and Carbon Dioxide

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3
Q

What is the word equation for Photosynthesis?

A

Carbon Dioxide + Water = Glucose and Oxygen

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4
Q

What is the symbol equation for Photosynthesis?

A

6 co 2 + 6 h 2 o = c 6 h 12 o 6 + 6 o

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5
Q

What is the cell in the cross section of a leaf called?

A

Palisade Cell

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6
Q

What makes leaves green?

A

Chlorophyll

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7
Q

What are the four minerals needed for Photosynthesis?

A

Nitrates, Phosphates, Potassium and Magnesium

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8
Q

What does Nitrates do (to plants)?

A

They are used to make proteins

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9
Q

What does Phosphates do (to plants)?

A

They make Photosynthesis and Respiration easier

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10
Q

What does Potassium do (to plants)?

A

Help the enzymes that are needed for Photosynthesis and Respiration

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11
Q

What does Magnesium do (to plants)?

A

It makes chlorophyll

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12
Q

What three factors determines the rate of photosynthesis?

A

Light / Sunlight Temperature and Co2

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13
Q

What do plants use glucose for?

A

Respiration, Stored to make starch and to make new chemicals

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14
Q

What is Anaerobic Respiration?

A

Respiration without oxegyn

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15
Q

What is Aerobic Respiration?

A

Respiration with oxegyn

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16
Q

What is Endothermic?

A 
In 
Tips ( En = In )
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17
Q

What is Exothermic?

A 
Out 
Tips ( Ex = Exit )
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18
Q

What is the word equation for Respiration?

A

Glucose + Oxygen = Carbon Dioxide + Water

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19
Q

What is the symbol equation for Respiration?

A

c6h12o6 + 6o = 6co 2 + 6h 2 o

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20
Q

How much energy does Aerobic Respiration give you (KJ)?

A

2880 KJ

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21
Q

Are Respiration and Aerobic Respiration the same

thing?

A

Yes

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22
Q

How much energy does Anaerobic Respiration give

you?

A

150 KJ

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23
Q

Whats the Anaerobic Respiration symbol equation?

A

c6h12o6 = 2c 3 h 6 o 3

24
Q

Does Anaerobic Respiration use oxegyn?

A

No

25
Q

Why does Aerobic Respiration give you more energy than Anaerobic Respiration?

A

Aerobic Respiration breaks 20 chemicals bonds, whereas Anaerobic Respiration only breaks one.
( Breaking a chemical bond releases energy)

26
Q

What is Oxygen Debt?

A

The amount of extra oxygen required by the body for recovery after vigorous excersise?

27
Q

What can Fermentation be used to make?

A

It can be used to make Alcohol, Bread, Yogurt and Vinegar.

28
Q

To make beer do you use Aerobic or Anaerobic Respiration?

A

Anaerobic Respiration

29
Q

What do you make if you accidentally use Aerobic Respiration?

A

Vinegar

30
Q

What is Alcohol also called?

A

Ethanol

31
Q

What is the chemical equation for Fermentation ( beer

)?

A

c6h12o6 + o2 + c2h3cooh + co2

32
Q

What is a Producer?

A

A producer makes their own food by Photosynthesis or Chemosynthesis
E.G : Grass, Algae

33
Q

What is a Primary Consumer?

A

A primary Consumer eats producers

E.G : Rabbit, Snail

34
Q

What is a Secondary Consumer?

A

Secondary Consumers eat primary consumers and producers

E.G : Foxes, Eagles

35
Q

What is a Tertiary Consumer?

A

Tertiary Consumers eat secondary consumers, also eat primary consumers and producers.
E.G : Humans, Sharks

36
Q

What is a Herbivore?

A

Herbivores are animals who only eat plants

37
Q

What is a Omnivore?

A

Omnivores are animals who eat other animals and

plants

38
Q

What is a Carnivore?

A

Carnivores only eat other animals

39
Q

What is Prey?

A

Prey is an animal that is eaten

40
Q

What is a Predator?

A

A predator is an animal that eats other animals, e.g the animal that eats the prey

41
Q

What happens across a food chain?

A

Energy increases across the food

chain

42
Q

What are Tropic Levels?

A

Levels within a food chain

43
Q

What is Chemosynthesis?

A

A process some bacteria use to make their own
glucose, they live in places without light e.g the
bottom of the sea.

44
Q

What is a Stomata?

A

Tiny holes on the bottom of a leaf, where the carbon dioxide goes in the plant

45
Q

What does the Waxy Layer (in a palisade cell) do?

A

It reduces the amount of oxygen that evaporates from the leaf

46
Q

What do Guard Cells do (in a palisade cell)?

A

Cells either side of the Stoma, Open and close the stomata.

47
Q

What do veins do?

A

Transport water around the plant

48
Q

What does the Palisade Layer do?

A

Contains cells with lots of chloroplasts, where most photosynthesis occurs.

49
Q

What does the Spongy Layer (in a palisade cell) do?

A

Contains air space, allowing carbon dioxide to diffuse throughout the leaf.

50
Q

What are Food Webs?

A

The animals or organisms, in a habitat

51
Q

Whats a Niche?

A

A particular place or role that an organism has in a ecosystem.

52
Q

Whats an Ecosystem?

A

Organisms living in a particular area / the habitat they live in

53
Q

Whats Mitochondria?

A

Structures in cytoplasm, where aerobic respiration happens

54
Q

Whats Lactic Acid?

A

A chemical produced in Anaerobic respiration

55
Q

Whats the chemical formula for Glucose?

A

C 6 H 12 O 6

56
Q

Whats the chemical formula for Lactic Acid?

A

C 3 H 6 O 3

Science (2 decks)

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