B1 : Characteristics of living organisms

Question 1

Movement

Answer 1

An action by an organism or part of an organism causing a change of position or place
Living things do this to get from one place to another
Plants - seed dispersal
Animals - muscles/bone joints

Question 2

Respiration

Answer 2

The chemical reactions in cells that break down nutrient molecules and release energy for metabolism
Living things use oxygen to release energy from food
Plants - Release oxygen and intakes carbon dioxide
Animals - Takes in oxygen and releases carbon dioxide

Question 3

All characteristics of living organisms

Answer 3

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 4

Sensitivity

Answer 4

The ability to detect or sense stimuli in the internal or external environment and to make appropriate responses
Living things to respond to their environment and react
Plants - Phototropism (sunflower following the sun)
Animals - Changes in temperature

Question 5

Growth

Answer 5

A permanent increase in size and dry mass by an increase in cell number or cell size of both
Living things permanently increase in size
Plants - height, root length, number of petals etc
Animals - Hair growth, height, etc

Question 6

Reproduction

Answer 6

The processes that make more of the same kind of organism
The production of more of the same organism
Plant - Pollination
Animal - Sexual reproduction, sperm, egg, offspring

Question 7

Excretion

Answer 7

Removal from organisms of the waste products of metabolism
Living things remove waste products of metabolism
Plants - Release oxygen
Animals - Excretes out feaces

Question 8

Nutrition

Answer 8

Taking in of materials for energy, growth, and development
Living things take in materials to provide energy and growth
Plant - Absorbs water and minerals from the soil and photosynthesis
Animals - Intakes food