Characteristics Of Living Organisms

Question 1

Movement

Answer 1

Change of shape or position

Question 2

Respiration

Answer 2

They can create chemical reactions that break down nutrients to give energy

Question 3

Sensitivity

Answer 3

They can sense/detect stimuli and respond to them

Question 4

Growth

Answer 4

They can permanently increase their size or dry mass

Question 5

Reproduction

Answer 5

Organisms reproduce to make new individuals

Question 6

Excretion

Answer 6

Production and removal of toxic waste materials as a result of metabolism

Question 7

Nutrition

Answer 7

Obtaining nutrients for energy to allow growth and repair

Question 8

Homeostasis

Answer 8

They can control their internal condition

Eg temp or water content

Question 9

How do respiration produce ATP

Answer 9

During aerobic respiration, glucose reacts with oxygen forming ATP

Question 10

Difference between aerobic and anaerobic respiration

Answer 10

Aerobic respiration - take in place in the presence of oxygen
Anaerobic respiration - does not need oxygen

Question 11

Aerobic respiration equation

Answer 11

Glucose + oxygen - carbon dioxide + water

Question 12

Anaerobic respiration equation

Exercise

Answer 12

Glucose - lactic acid(+ATP)

Question 13

Describe anaerobic respiration

Answer 13

Glucose is not completely broken down
Build up of lactic acid
Lactic acid needs to be oxidised
Causes oxygen debt that needs to be repaid

Question 14

Anaerobic respiration equation (plants and yeast)

Answer 14

Glucose - ethanol + carbon dioxide