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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
What is top section of the plant cell called
Upper epidermis
26
What is the middle section of the plant cell called
Mesophyll
27
What is the top section of the mesophyll called (looks like pillars)
Palisade mesophyll
28
What is the bottom layer called (looks like circles )
Spongy mesophyll
29
What is the lower section called
Lower epidermis
30
True or false is the a wax cuticle at the bottom of the leaf cell
True
31
What is at the bottom of the cell
Guard cell with chloroplast
32
What is the hole at the bottom of the plant cell
Stomata
33
What are the blank spaces inside a cell diagram
Air space
34
What affects photosynthesis
Light intensity, carbon dioxide and temperature
35
Minerals needed by plants for healthy growth
Phosphate Magnesium Potassium Nitrate
36
Explain the role of nitrates
It’s for better growth
37
What is starch
Energy in some seeds and special organs like potatoes
38
What is fats
Energy stores found in some nuts
39
What is oils
Used in cell surface membrane
40
What is cellulose
Used to make proteins
41
What is amino acids
Used to make cell walls
42
How much nitrogen do we inhale and exhale. Give a reason for your stamens
Inhale 78% and exhale 78% that’s because nitrogen doesn’t react with anything in your body
43
How much oxygen do we inhale and exhale . Give a reason for your statement
Inhale 21% exhale 17% because it reacts with glucose in your body
44
What happens to your breathing rate when you exercise
It increases
45
Why does that occur
Because your muscle needs more oxygen for respiration
46
What happens to your heart
It beats faster
47
So then what happens when in beats faster…
Oxygen and glucose can be transported by your blood
48
Where is it transported to??
It’s transported to the muscle cells
49
The respiration increases when you exercise because
Your muscle needs more energy for contraction
50
What happens to the leafs when they are missing nitrate
Poor growth, older leaves turn yellow
51
What happens to a leaf when magnesium is missing
Plant leaves turn yellow
52
What happens to a leaf when it’s missing phosphate
Poor root growth , young leaves will appear purple
53
What happens to a leaf when it’s missing potassium
Has yellow leaves with dead patches
54
What is the scientific letter for nitrate
Ni
55
What is the scientific letter for magnesium
Mg
56
What is the scientific letter for phosphate
P
57
What is the scientific letter for potassium
K
58
Synthesise meaning
To make food always remember
59
What does glucose do
Glucose produces growth always remember !!!!
60
Describe one situation when animals would use anaerobic respiration
When they are running from a predator
61
Two reasons why animals normally respire aerobically
Lactic acid is produced | Anaerobic respiration doesn’t transfer much energy
62
Describe situation where a plant may switch to respiring anaerobically
Roots in waterlogged soil
63
Why do organisms depend on photosynthesis to survive
Food chain eg. Fox~rabbit~ grass and other greens and glucose is made which means it produces growth
64
How are roots adapted to their function ??
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
State two ways leaves are adapted to their function??
Contains many chloroplast to maximise the amount of light absorbed Waxy upper layer to reduce Water loss

Ecosystem (2 decks)

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