Characteristics of living organisms

Question 1

Define nutrition

Answer 1

Taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repair.

Question 2

Define excretion

Answer 2

Removal from organisms of toxic materials, the waste products of metabolism(chemical reactions in cells including respiration.

Question 3

Define respiration

Answer 3

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

Question 4

Define reproduction

Answer 4

The processes that make more of the same kind of organism.

Question 5

Define sensitivity

Answer 5

The ability to detect or sense changes in the environment (stimuli) and to make response.

Question 6

Define growth

Answer 6

The permanent increase in size and dry mass by an increase in cell number.

Question 7

Define movemnet

Answer 7

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