B1- Characteristics of living organisms

Question 1

What does MRS GREN stand for?

Answer 1

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 2

Define Movement

Answer 2

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

Question 3

Define Respiration

Answer 3

Respiration is the chemical reactions in cells that break down nutrient molecules and release energy for metabolism

Question 4

Define Sensitivity

Answer 4

Sensitivity is the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses

Question 5

Define growth

Answer 5

Growth is a permanent increase in size and dry mass by an increase in cell number or cell size or both

Question 6

Define reproduction

Answer 6

The processes that make more of the same kind of organism

Question 7

Define excretion

Answer 7

The removal from organisms of waste products from metabolism, toxic materials and substances which are in excess of requirements

Question 8

Define nutrition

Answer 8

Is the taking in of materials for energy, growth and development