Topic 1 - Cells and Organisation of Living Things

Question 1

Sensitivity

Answer 1

The detection of changes (stimuli) in the surroundings by a living organism

Question 2

Respiration

Answer 2

The chemical process in which glucose is broken down, releasing energy

Question 3

Movement

Answer 3

A change of position. All organisms move.
- Animals move to locate food and run from danger
- Plants move their leaves
- Movement occurs inside cells

Question 4

Homeostasis

Answer 4

The maintenance of a constant internal environment, such as body water content and body temperature

Question 5

Growth

Answer 5

The permanent increase in body size and mass of an organism

Question 6

Nutrition

Answer 6

The means of obtaining food, which provides energy living organisms need for the processes they carry out

Question 7

Reproduction

Answer 7

The process of making more of the same kind of organism. This ensures that offspring take the place of organism when it dies.

Question 8

Excretion

Answer 8

The removal of metabolic waste substances produced from chemical reactions inside the body

Question 9

Cell

Answer 9

The basic building block of all living organisms