Gr 7 Natural Sciences – Term 1, Topic 1

WORKSHEET B - MEMORANDUM

The Seven Life Processes

All plants and animals carry out seven processes in order to stay alive. The table

below shows the seven Life Processes.

1.1. Select a description for each of these life processes from options A – G given

below and write the letter next to the life process.

Life Process Description

(select from A-G)

Movement E

Respiration G

Sensitivity C

Growth D

Reproduction B

Excretion A

Nutrition F

Options:

A Getting rid of wastes from the body

B Producing offspring (young)

C Sensing changes around and then responding

D Food is used to build up parts of the body

E This is easier to see in animals than in plants. Plants move very slowly as they grow.

F Plants make their food through photosynthesis. Animals must feed on plants or other animals

G Getting energy by breaking down food

(7)

1.2. What acronym can you use to remember the 7 life processes? MRS GREN.

(1)

Gr 7 Natural Sciences – Term 1, Topic 1

A motor car moves but it is not living.

2.1. To prove that a motor car is not a living organism, complete the table below to

show which processes it does and does not show.

Processes A motor car

shows

A motor car does not

show

Movement √

Respiration √

Sensitivity √

Growth √

Reproduction √

Excretion √

(exhaust fumes)

Nutrition √

(takes in petrol)

(7)

2.2. Based on your observations from the table above, why can we

conclude that a motor car is not a living organism?

Answer: It does not display all of the seven life processes.

(1)

[TOTAL 16]