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Christmas Exam (science) > Lving Things > Flashcards

Lving Things Flashcards

1
Q

Plants

A

Can’t move
Make their own food
Have cell walls and chlorophyll

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2
Q

Invertebrates

A

No backbone

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3
Q

Vertebrate

A

Have a backbone

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4
Q

Key

A

Used to identify plants and animals by using pictures or questions

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5
Q

Biology

A

Is the study of living things

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6
Q

Movement

A

An act of moving

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7
Q

Respiration

A

The release of energy from food

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8
Q

Reproduction

A

Making new individuals

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9
Q

Sensitivity

A

Making new individuals

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10
Q

Nutrition

A

The way an organism feeds

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11
Q

Growth

A

The increase in size of an organism

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12
Q

Excretion

A

The removal of waste from organisms (eg.sweat and urine)

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13
Q

Eyepiece lens

A

Enlarges the image of the object

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14
Q

Coarse focus knob

A

To focus the image

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15
Q

Fine focus knob

A

To precisely focus the image

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16
Q

Objective lens

A

Located in the nosepiece, it enlarges the image of the object

17
Q

Nosepiece

A

Rotates so that different lenses can be used

18
Q

Stage

A

The slide is placed on the stage for viewing

19
Q

Mirror/light

A

To supply light to the object

20
Q

Mandatory experiment: to prepare a slide from plant tissue and draw it as seen user a microscope.

A

Explain

21
Q

Plant cells

A

Cell wall, cell membrane, cytoplasm, nucleus, chloroplasts, vacuole

22
Q

Animal cells

A

Cell membrane, nucleus, cytoplasm

23
Q

Cell membrane

A

Forms the outer boundary of the cell

Function: Controls what passes in and out of the cell

24
Q

Cytoplasm

A

90% water and forms a jelly like substance in the cell

Function: chemical reactions in the cell take place here

25
Q

Vacuoles

A

Form storage areas in the cell

Function: vacuoles store water, salts, sugars and waste material

26
Q

Cell walls

A

Function: Protect the cell and give it shape

27
Q

Chloroplasts

A

Function: these contain the green pigment chlorophyll

28
Q

Chlorophyll

A

Coverts light energy into food.

29
Q

Large vacuoles

A

All plant cells contain these

30
Q

Animal cells

A

Egg cell (ovum)
Blood cell
Nerve cell

31
Q

Cells

A

A group of similar cells working together make a tissue eg skin tissue
Muscle tissue

32
Q

Tissue

A

A group of tissues working together make a organ eg,heart, lungs

33
Q

Organs

A

A group of organs make up a system eg. Digestive system

34
Q

Order

A

Cell-tissue- system-organ

35
Q

Growth of cells

A

Cells increase in size then divide by 2
1 cell - 2 cells
2 cells- 4 cells
4 cells- 8 cells etc

36
Q

Animals

A

Can move from place to place
Have to take in food
Do not have cell walls or chlorophyll

Christmas Exam (science) (4 decks)

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