1

Question 1

nutrition

Answer 1

The taking in of materials for energy, growth and development. Plants require light, carbon dioxide, water and ions. Animals need organic compounds and ions and usually need water

Question 2

excretion

Answer 2

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

Question 3

respiration

Answer 3

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

Question 4

sensitivity

Answer 4

The ability to detect or sense stimuli in the internal or external environment and to respond appropriately

Question 5

growth

Answer 5

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

Question 6

movement

Answer 6

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