Living Things And Cells Third Year Revision

Question 1

A plant is a living organism which makes its own food.
They are often called what?

Answer 1

Producers

Question 2

When an animal relies on plants or other animals for its food.
They are often called what?

Answer 2

Consumers

Question 3

What are animals with a backbone called?

Answer 3

Vertebrates

Question 4

What are animals with no backbone called?

Answer 4

Invertebrates

Question 5

What are the 7 characteristics of living things

Answer 5

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 6

Eyepiece Lens

Answer 6

You look through this to see the object magnified.

Question 7

Focus knob

Answer 7

This brings objects into focus by lowering or raising the stage.

Question 8

Objective lens

Answer 8

Three different lenses give different magnifying power

Question 9

Stage

Answer 9

This is where the object is placed

Question 10

Light source

Answer 10

Can either be a light or a mirror reflecting sunligh

Question 11

What are cells?

Answer 11

• The unit of every living thing is called a cell
• Animal cells and plant cells are differen

Question 12

Nucleus

Answer 12

Nucleus: Controls the Cell

Question 13

Nucleus

Answer 13

Nucleus: Controls the Cell

Question 14

Cytoplasm

Answer 14

Fluid in which minerals and salts are dissolved

Question 15

Cell membrane

Answer 15

Thin layer that controls what enters and leaves the cell.

Question 16

Vacuole

Answer 16

Vacuole: A space to store food for the cell

Question 17

Cell Wall

Answer 17

Cell Wall: Provides a tough outer layer for protection.

Question 18

How are living things organised

Answer 18

• Cells reproduce several times.
• A group of cells which does the same job is called tissue.
• An organ is a group of tissue that work together to do a job.
• A system is a group of organs that work together

Question 19

Length or distance (larger)

Answer 19

Meter stick

Question 20

Time

Answer 20

Pendulum

Question 21

Volume

Answer 21

Graduated cylinder

Question 22

Temperature

Answer 22

Thermometer

Question 23

Mass

Answer 23

Weighing scales