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Ecosystem > Ecosystem 2 > Flashcards

Ecosystem 2 Flashcards

1
Q

What is aerobic respiration

A

Chemical reaction where energy stored in food reacts with oxygen needed to break down glucose

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2
Q

What is anaerobic respiration

A

When the body cannot supply the enough cells with oxygen to break down glucose

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3
Q

What is biotechnology

A

Use of biological processes or organism to make useful products

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4
Q

Where does respiration take place

A

Mitochondria

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5
Q

Aerobic respiration word equation

A

Oxygen +glucose ~ carbon dioxide +water + energy

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6
Q

What is oxygen debt

A

The extra amount of oxygen needed to remove lactic acid

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7
Q

Anaerobic respiration in animals

A

Glucose~lactic acid+a little energy = no energy

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8
Q

Anaerobic respiration in plants/yeast

A

Glucose +oxygen~carbon dioxide +water +energy

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9
Q

What is fermentation

A

Enzymes in yeast that convert to ethanol and carbon dioxide

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10
Q

What microbe is used to make bread and alcoholic drinks

A

Yeast

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11
Q

What type of respiration is used to make alcohol give a word equation too!

A

Anaerobic

Glucose+oxygen~carbon dioxide+water+energy

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12
Q

Word equation for fermentation

A

Oxygen~carbon dioxide + ethanol

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13
Q

How does water enter the plant

A

The roots

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14
Q

Where does photosynthesis take place

A

Chloroplast

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15
Q

How is water transported to the leaf

A

Xylem

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16
Q

How to carbon dioxide get into a leaf

A

Stomata

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17
Q

What is photosynthesis

A

Process where plants and organisms use sunlight to synthesise from carbon dioxide and water

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18
Q

Word equation for photosynthesis

A

Carbon dioxide +water sunlight \chloro glucose +oxygen

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19
Q

Stomata

A

Allows gases in and out

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20
Q

Chlorophyll

A

Absorb light

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21
Q

Broad

A

Large area for light absorption

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22
Q

Veins

A

Transport and support

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23
Q

Thin

A

Allows gases to reach cells easily

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24
Q

What layer is on top of a plant cell

A

Wax cuticle

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25
Q

What is top section of the plant cell called

A

Upper epidermis

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26
Q

What is the middle section of the plant cell called

A

Mesophyll

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27
Q

What is the top section of the mesophyll called (looks like pillars)

A

Palisade mesophyll

28
Q

What is the bottom layer called (looks like circles )

A

Spongy mesophyll

29
Q

What is the lower section called

A

Lower epidermis

30
Q

True or false is the a wax cuticle at the bottom of the leaf cell

A

True

31
Q

What is at the bottom of the cell

A

Guard cell with chloroplast

32
Q

What is the hole at the bottom of the plant cell

A

Stomata

33
Q

What are the blank spaces inside a cell diagram

A

Air space

34
Q

What affects photosynthesis

A

Light intensity, carbon dioxide and temperature

35
Q

Minerals needed by plants for healthy growth

A

Phosphate
Magnesium
Potassium
Nitrate

36
Q

Explain the role of nitrates

A

It’s for better growth

37
Q

What is starch

A

Energy in some seeds and special organs like potatoes

38
Q

What is fats

A

Energy stores found in some nuts

39
Q

What is oils

A

Used in cell surface membrane

40
Q

What is cellulose

A

Used to make proteins

41
Q

What is amino acids

A

Used to make cell walls

42
Q

How much nitrogen do we inhale and exhale. Give a reason for your stamens

A

Inhale 78% and exhale 78% that’s because nitrogen doesn’t react with anything in your body

43
Q

How much oxygen do we inhale and exhale . Give a reason for your statement

A

Inhale 21% exhale 17% because it reacts with glucose in your body

44
Q

What happens to your breathing rate when you exercise

A

It increases

45
Q

Why does that occur

A

Because your muscle needs more oxygen for respiration

46
Q

What happens to your heart

A

It beats faster

47
Q

So then what happens when in beats faster…

A

Oxygen and glucose can be transported by your blood

48
Q

Where is it transported to??

A

It’s transported to the muscle cells

49
Q

The respiration increases when you exercise because

A

Your muscle needs more energy for contraction

50
Q

What happens to the leafs when they are missing nitrate

A

Poor growth, older leaves turn yellow

51
Q

What happens to a leaf when magnesium is missing

A

Plant leaves turn yellow

52
Q

What happens to a leaf when it’s missing phosphate

A

Poor root growth , young leaves will appear purple

53
Q

What happens to a leaf when it’s missing potassium

A

Has yellow leaves with dead patches

54
Q

What is the scientific letter for nitrate

A

Ni

55
Q

What is the scientific letter for magnesium

A

Mg

56
Q

What is the scientific letter for phosphate

A

P

57
Q

What is the scientific letter for potassium

A

K

58
Q

Synthesise meaning

A

To make food always remember

59
Q

What does glucose do

A

Glucose produces growth always remember !!!!

60
Q

Describe one situation when animals would use anaerobic respiration

A

When they are running from a predator

61
Q

Two reasons why animals normally respire aerobically

A

Lactic acid is produced

Anaerobic respiration doesn’t transfer much energy

62
Q

Describe situation where a plant may switch to respiring anaerobically

A

Roots in waterlogged soil

63
Q

Why do organisms depend on photosynthesis to survive

A

Food chain eg. Fox~rabbit~ grass and other greens and glucose is made which means it produces growth

64
Q

How are roots adapted to their function ??

A

Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption

65
Q

State two ways leaves are adapted to their function??

A

Contains many chloroplast to maximise the amount of light absorbed
Waxy upper layer to reduce Water loss

Ecosystem (2 decks)

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