B1 - Characteristics of living organisms

Question 1

M = movement (2)

Answer 1

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

Question 2

R = respiration (2)

Answer 2

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

Question 3

S = sensitivity (2)

Answer 3

The ability to detect & respond to changes in external & internal environment.

Question 4

G = growth (1)

Answer 4

A permanent increase in size or dry mass.

Question 5

R = reproduction (1)

Answer 5

The process of making the same kind of organism.

Question 6

E = excretion (2)

Answer 6

The removal of waste products of metabolism and substances in excess of requirement.

Question 7

N = nutrition (4)

Answer 7

The taking in of materials for growth, energy & development.

Question 8

(Extra knowledge)
Why are viruses non living?

Answer 8

They do not share all seven characteristics of living organisms. Ex. don’t grow, can’t reproduce (they multiply only when inside a host), and does not maintain homeostasis