Characteristics of living organisms

Question 1

What are the 7 characteristics of living organisms?

Think: Mr Grief!

Answer 1

Movement
Respiration
Growth
Reproduction
Irritability (sensitivity)
Excretion
Food (nutrition)

Question 2

Define: movement

Answer 2

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

Question 3

Define: respiration

Answer 3

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

Question 4

Define: growth

Answer 4

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

Question 5

Define: reproduction

Answer 5

Reproduction as the process that make more of the same kind of organism

Question 6

Define: irritability (sensitivity)

Answer 6

Irritability (sensitivity) as the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses

Question 7

Define: excretion

Answer 7

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

Question 8

Define: food (nutrition)

Answer 8

food (nutrition) as 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 9

Famous life filing system quote by Linnaeus XD

Answer 9

“God created, Linnaeus organised.”