B1- Characteristics of Living Organisms

Question 1

Nutrition

Answer 1

The taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repair, absorbing and assimilating them

Question 2

Excretion

Answer 2

The removal from organisms of toxic materials, the waste products of metabolism (chemical reactions in cells including respiration) and substances in excess of requirements

Question 3

Respiration

Answer 3

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

Question 4

Sensitivity

Answer 4

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

Question 5

Reproduction

Answer 5

The processes that make more of the same kind of organism

Question 6

Growth

Answer 6

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

Question 7

Movement

Answer 7

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