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Science > Characteristics Of Living Things > Flashcards

Characteristics Of Living Things Flashcards

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Biology 101 flashcards
0
Q

Name the three things that an animal cell has…

A

Cell membrane
Nucleus
Cytoplasm

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1
Q

What are the seven life processes that living things do?

A

Movement, Respiration, Sensitivity, Nutrition, Excretion, Reproduction and Growth

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2
Q

What are the six things that a plant cell has…

A

Cell wall, cell membrane, chloroplast, cytoplasm, vacuole and nucleus

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3
Q

What are the four main organs in a plant?

A

The flower, roots, stem and leaves

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4
Q

In a plant cell which organ contains the reproductive parts

A

The flower

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5
Q

Which organ in the plant contains the parts for photosynthesis

A

The leaves

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6
Q

Why does a plant need roots?

A

To keep it upright and to gather nutrients from the soil

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7
Q

Why does a sperm cell have a tail?

A

To move more easily as it travels through the Fallopian Tube

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8
Q

Where is a sperm cells nucleus?

A

On the head

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9
Q

Can you name 8 of the systems in the body

A
  1. Digestive system
  2. Skeletal system
  3. Muscle system
  4. Respiratory system
  5. Reproductive system
  6. Nervous system
  7. Circulatory system
  8. Excretory system
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10
Q

What does the respiratory system do?

A

It carries oxygen around the body and removes carbon dioxide

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11
Q

What important jobs does the skeleton do?

A

It keeps you upright and it helps you move

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12
Q

What does the rib cage do?

A

It protects the important organs

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13
Q

What is the strongest bone in the body

A

The femur, thigh bone

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14
Q

Why is this bone strongest?

A

Because it is the biggest

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15
Q

Why is bone suited to the job it does

A

Bones are very strong, they will protect organs, keep you upright and help you to move

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16
Q

Where do polar bears live

A

The arctic

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17
Q

They have a thick layer of what under their fur

Why?

A

Blubber it keeps them warm

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18
Q

What is their fur like

A

It is white so that they can hide and thick to keep them warm

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19
Q

What shape are polar bears

Why?

A

They are a rounded shape because it reduces the chance of heat loss

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20
Q

What are cacti

A

Plants that luv in the desert

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21
Q

What conditions do cacti live in

A

Hot and sandy with barely any water or rain

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22
Q

What is so different about cacti to other plants

A

They have lost their leaves and now have spines/spikes

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23
Q

What do the spines do

A

Unlike leaves they insulate the water so that the plant doesn’t dehydrate and die

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24
Q

What else can spines do

A

They prevent predators from eating them

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25
Q

What are cacti usually covered in

A

A waxy substance

This also helps them to keep water

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26
Q

What does the lung do in the body

A

It lets in oxygen and removes carbon dioxide

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27
Q

Why are roots widely spread on a cactus

A

It keeps the heavy plant upright and covers more land to find more nutrients and water in the sand

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28
Q

Why does a polar bear have small ears

A

They let out less heat

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29
Q

Why do they have broad and furry feet

A

So they slip on the ice and stay warm in the snow

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30
Q

Where does a camel live

A

The desert

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31
Q

Why does a camel have long eye lashes

A

It keeps sand from their eyes

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32
Q

Why do they have wide flat feet

A

So they don’t sink in the sand

33
Q

Why is their fur shaggy

A

It doesn’t make the sweat

34
Q

What does the hump store

A

Nutrients and water

35
Q

What do leaves contain that uses light to change Carbon dioxide and water into glucose

A

Chloroplasts

36
Q

What is the male reproductive organ in a plant

A

Stamen

37
Q

What is the female reproductive organ in a plant

A

Carpel

38
Q

Another word for skull

A

Cranium

39
Q

Which bone do the bicep and tricep move

A

The humerous

40
Q

What do neurones do

A

Send electrical messages from the brain to the rest of the body

41
Q

What does the spine include/get cushioned by

A

Vertebrate and disks

42
Q

The bone connected to the femur above it

A

Pelvis

43
Q

Another name for knee cap

A

Patella

44
Q

The bone at the back of the calf

A

Fibula

45
Q

The bone at the front of the calf

A

Tibia

46
Q

The bone to the thumb

A

Radius

47
Q

The bone connected to the little finger

A

Ulna

48
Q

Another word for jaw

A

Mandible

49
Q

What does the heart do

A

It pumps blood cells around the body

50
Q

What do the lungs do

A

They let you breathe by inhaling oxygen and letting out carbon dioxide

51
Q

What does the brain do

A

It sends messages to the rest of the body

52
Q

What does your stomach do

A

It breaks downs your food

53
Q

What does the large intestine do

A

It filters your food and water

54
Q

And the liver?

A

Takes away the toxics in the body

55
Q

What does the kidney do

A

It filters the blood

56
Q

What does the bladder do

A

Excretes your wates

57
Q

What is the smallest bone in the body

A

The stirrup

58
Q

What is the largest bone inside your body

A

The femur

59
Q

How do the muscles in your humorous bend your arm

A

The bicep contracts and the tricep relaxes and vice versa

60
Q

What is a ball and socket joint

A

A joint that can move 360*

61
Q

Where can you find one

A

In the shoulder or hip

62
Q

What is a hinge joint

A

A joint that can only move 180*

63
Q

Where can you find one

A

In the elbow or knee

64
Q

What does the bone have in it (chemicals/minerals)

A

Calcium and phosphate

65
Q

Where can you find red and white blood cells

A

In the marrow in the bone

66
Q

What does the digestive system do

A

Breaks down your food into simpler substances

67
Q

What does the respiratory system do

A

Takes in oxygen and removes carbon dioxide

68
Q

What does the excretory system do

A

Removes toxic and other waste materials from the body

69
Q

What does the circulatory system do

A

The heart pumps blood around the body

It supplies the cells with food and then carries away the waste

70
Q

What does the reproduction system do

A

Produces offspring

71
Q

The nervous system

A

Includes the five scenes organs. It contains nerves

72
Q

Endocrine system

A

Produces and discharges chemicals called hormones

73
Q

Skeletal system

A

206 bones in the human body

Main job is to support

74
Q

Muscle system

A

They cause movement when they contract and relax

75
Q

What do blood cells do

A

White fight infection

Red carry oxygen

76
Q

Cheek cells

A

Cloak the skeleton (inside the cheek)

77
Q

What do root hair cells do

A

Have a big surface area to absorb water and minerals

78
Q

What properties does the bone in acid have

A

It’s brittle and soft

79
Q

Which substance has been removed by the acid

A

Carbonate

Calcium carbonate in the bone reacts with the acid to give carbon dioxide

Science (5 decks)

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