1. Classification

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

Question 3

Sensitivity

Answer 3

the ability to detect and respond to changes in the internal or external environment

Question 4

Growth

Answer 4

a permanent increase in size and dry mass

Question 5

Reproduction

Answer 5

the processes that make more of the same kind of organism

Question 6

Excretion

Answer 6

the removal of 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

Question 9

binomial system of naming species

Answer 9

an internationally agreed system in which the scientific name of an organism is made up of two parts showing the genus and species

Question 10

organisms can be classified into groups by

Answer 10

the features that they share

aim to reflect evolutionary relationships

Question 11

means of classification

Answer 11

sequences of bases in DNA

groups of organisms which share a more recent ancestor (are more closely related) have base sequences in DNA that are more similar than those that share only a distant ancestor