ClickBiology

Cambridge IGCSE Biology

ClickBiology

Characteristics of Living Things

ClickBiology

There are 7 characteristics of living organisms:

• Movement• Respiration• Sensitivity• Growth• Reproduction• Excretion• Nutrition

ClickBiology

Movement• A change of position or place.

ClickBiology

Respiration• A chemical process in which oxygen is

used to release energy from sugar molecules.

Sugar (C6H12O6) reacts with oxygen (O2)

to form

Carbon dioxide (CO2), water (H2O) and

ENERGY

ClickBiology

Sensitivity• The ability to detect or sense changes in

the environment (stimuli) and to make responses.

ClickBiology

Growth• A permanent increase in size by

increasing cell number or cell size or both.

ClickBiology

Reproduction• The process that makes more of the same

kind of organism

ClickBiology

Excretion• The removal of toxic materials, waste

products and excess substances from an organism

ClickBiology

Nutrition

The process in which nutrients are taken into the body and converted into simpler substances used for energy, growth and tissue repair.

ClickBiology

Summary

• Movement• Respiration• Sensitivity• Growth• Reproduction• Excretion• Nutrition

ClickBiology

Quiz

Guess which characteristic is being demonstrated by the following animations:

ClickBiology

Question 1: Excretion

ClickBiology

Question 2: Nutrition

ClickBiology

Question 3: Movement

ClickBiology

Question 4: Reproduction

ClickBiology

Question 5:

Which two characteristics are shown by this animation:

Sensitivity and Movement

ClickBiology

Question 6:

Other than movement, which characteristics are shown by this animation:

Sensitivity and Nutrition

ClickBiology

Question 7:

So far you should have named a total of five different characteristics.

However there are 7 characteristics in total.

Name the two remaining characteristics.

Growth and Respiration

ClickBiology

Cambridge IGCSE Biology

www.ClickBiology.com