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Year 8 > Biology > Flashcards

Biology Flashcards

1
Q

What is a microorganisms

A

A very small living thing

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2
Q

What do microorganisms need to live

A 
Movement 
reproduction 
sensitivity 
growth 
respiration
Excretion
Nutrition
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3
Q

What is the size of a virus

A

One millionth of a millimetre, smallest of the microorganisms

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4
Q

What is the size of a Bacteria

A

One thousandth of a millimetre

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5
Q

What is the size of a fungi

A

Largest, varies size

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6
Q

How can a virus make you I’ll

A

Invades and destroys living cells

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7
Q

How can a bacteria make you I’ll

A

Releases toxins which causes disease

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8
Q

How can a fungi make you I’ll

A

Releases poisons to attack body cells

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9
Q

What can a virus be used for

A

Nothing

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10
Q

What can a bacteria be used for

A

Yoghurt and cheese

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11
Q

What can a fungi be used for

A

Medicines, bread, wine and beer

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12
Q

What is the word equation for aerobic respiration

A

Glucose +oxygen = carbon dioxide + water

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13
Q

What is the optimum tempature for bacteria to grow

A

37 degrees

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14
Q

What is an epidemic

A

A disease that effects a large number of people within a community, population or reigon

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15
Q

What is a pandemic

A

An epidemic that spreads over multiple countries or continents

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16
Q

What is a pathogen

A

A microorganism that causes disease

17
Q

What are ways our body protects ourselves from microbes

A

Skin
Nose hurt
Nose and windpipe mucus
Eyes make tears

18
Q

What does an eating microbe do

A

White blood cells move to your cut and eat the microbes in your blood, they can even squeeze out of the blood vessels to hunt for microbes that haven’t reached the blood

19
Q

How many ways does a making antibodies have to destroy microbes

A

3, (missiles, puncturing holes in the microbes) (glue sticking together big groups of microbes for the eating microbes) (policemen surrounding and stick to the microbes making them harmless)

20
Q

What is a vaccine

A

A dead or weakened pathogen which is inserted into you so that you get immunity due to the fact your body knows how to handle it

Year 8 (4 decks)

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