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Year 9 Science > Biology > Flashcards

Biology Flashcards

1
Q

What are the seven life processes? (MRS NERG)

A 
MOVEMENT 
REPRODUCTION
SENSITIVITY
NUTRITION 
EXCRETION 
RESPIRATION 
GROWTH
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2
Q

What are all living things made out of?

A

Cells

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3
Q

What can we use to help us see cells?

A

A microscope

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4
Q

What two types of cell are there?

A

Animal and Plant cells

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5
Q

What are the five senses?

A 
Hear
Touch
Taste
Smell 
See
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6
Q

What two types of cells are there?

A

Animal and plant cells

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7
Q

What does the nucleus do?

A

It controls the cell activity

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8
Q

What does the cytoplasm do?

A

Where chemical reactions happen

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9
Q

What does the cell membrane do?

A

Protects the cell and controls what goes in and out.

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10
Q

What does the cell wall do?

A

Protects the cell

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11
Q

What does the vacuole?

A

Makes the cell firm

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12
Q

What does the chloroplasts do?

A

They contain chlorophyll for photosynthesis

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13
Q

Name two things that are different about animal cells and plant cells?

A
  1. Animal cells have a cell membrane and plant cells have a cell wall.
  2. Plant cells have a vacuole and humans don’t
  3. Animals do not have chloroplasts
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14
Q

What is a group of cells called?

A

A tissue

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15
Q

What is a group of tissues called?

A

An organ

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16
Q

What is a group of organs called?

A

An organ system

17
Q

What are the four plant organs?

A

Flowers
Stems
Leaves
Roots

18
Q

What happens in the flower?

A

Reproduction

19
Q

What are the three steps to plant reproduction? (2 marks)

A
  1. The plant attracts insects

2. The insects collects the both flowers pollen which is called pollination.

20
Q

What two does the stem do?

A
  1. Keeps the flower upright and facing the sun

2. Carries water, minerals and food around the plant

21
Q

What three life processes is the stem important for?

A

Nutrition
Excretion
Growth

22
Q

What do the roots do?

A
  1. Helps the flower stay firm and not blow away
23
Q

How do the roots help with photosynthesis?

A

Has a big surface area to take in water and minerals for photosynthesis

24
Q

What happens in the leaves?

A

Photosynthesis

25
Q

What has light energy?

A

Chlorophyll

Year 9 Science (3 decks)

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