B1 - Characteristics of living organisms

Question 1

How many characteristics do all living organisms share

Answer 1

7

Question 2

What are the 7 characteristics of living (Think MRS.GREN)

Answer 2

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 3

What is movement

Answer 3

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

Question 4

What is sensitivity

Answer 4

The ability to detect or sense stimuli in the internal or external environment and to make appropriate responses.

Question 5

what is respiration

Answer 5

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

Question 6

What is growth

Answer 6

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

Question 7

What is reproduction

Answer 7

The processes that make more of the same kind of an organism

Question 8

What is excretion

Answer 8

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

Question 9

What is nutrition

Answer 9

Taking in of materials for energy, growth and development

For example: plants require light, carbon dioxide, water and ions and animals need organic compounds, ions and usually need water

Question 10

What is the difference between excretion and egestion

Answer 10

Egestion is the process of removing undigested food as waste i.e feces. Excretion however is the process of removing metabolic waste from living organisms (i.e urine and sweat)

Question 11

Why is fire not a living organisms

Answer 11

Is not composed of cells. All living organisms have cells