Characteristics and Classification of Living Organisms (Topic 1)

Question 1

Movement

Answer 1

An action by an organism or part of an organism causing a change of position or place

Question 2

Respiration

Answer 2

The chemical reactions that break down nutrient molecules in living cells to release energy for metabolism

Question 3

Sensitivity

Answer 3

The ability to detect or sense stimuli in the internal or external environment and to make appropriate responses

Question 4

Growth

Answer 4

A permanent increase in size and dry mass by an increase in cell number or cell size or both

Question 5

Reproduction

Answer 5

The processes that make more of the same kind of organism

Question 6

Excretion

Answer 6

The removal from organisms of toxic materials, the waste products of metabolism and substances in excess of requirements

Question 7

Nutrition

Answer 7

The taking in of materials for energy, growth and development

Question 8

Species

Answer 8

A group of organisms that can reproduce to produce fertile offspring