Characteristics Living Organisms

Question 1

Maintaining boundaries

Answer 1

Boundaries separate inside from outside

Question 2

Movement

Answer 2

Locomotion

Movement of substances across membranes

Question 3

Responsiveness

Answer 3

Ability to sense change and react
Respond to danger
Nerves irratable tissue

Question 4

Digestion

Answer 4

Break down

Absorb

Question 5

Metabolism

Answer 5

Break down complex molecules into smaller ones

Build large molecules from similar ones

Question 6

Excretion

Answer 6

Eliminate waste from metabolic reactions

Waste removed in urine, sweat, faeces

Question 7

Reproduction

Answer 7

Cellular level
New cells for repairs and growth
Organism level reproductive system

Question 8

Growth

Answer 8

Cell size or body size through increased number of cells

Question 9

Nutrients

Answer 9

Chemicals used for energy

Carbs, proteins, lipids, vitamins, minerals

Question 10

Oxygen

Answer 10

Required for chemical reactions

Madd available through respiratory and cardiovascular system

Question 11

Water

Answer 11

60-80% body weight
Abundant chemical in body
Provides fluid base for body secretions

Question 12

Body temp

Answer 12

37 ( 98.6)

Slow chemical reactions hypothermia

Question 13

Atmospheric pressure

Answer 13

Appropriate for gas exchange

Right levels to allow us to get gas exchange in lungs