Module 3

Question 1

Abiotic

Answer 1

Non living factors

Question 2

Example: Physical abiotic factors

Answer 2

Light, sound, temperature

Question 3

Example: Chemical abiotic factors

Answer 3

Salinity, acidity, nitrogen levels

Question 4

Biotic

Answer 4

Organic factors

Question 5

Example: Biotic factors

Answer 5

Predation, mating, material made by organisms

Question 6

Selective pressure

Answer 6

Any abiotic or biotic factor in an environment that effects an organism

Question 7

Types of selective pressures

Answer 7

Behaviour, survival, reproduction

Question 8

Adaptations

Answer 8

A trait that increases an organisms chance to survive and reproduce

Question 9

Types of adaptations

Answer 9

Structural, physiological, behavioural

Question 10

Evolution

Answer 10

Any change in the heritable traits within a population across generations

Question 11

Population

Answer 11

A group of organisms of the same species

Question 12

What can evolution not occur without

Answer 12

Variation, selective pressure, reproduction

Question 13

Microevolution

Answer 13

Evolution within one population over a short time

Question 14

Example: Microevolution

Answer 14

Peppered moth

Question 15

Macroevolution

Answer 15

Evolution occurring across many populations over a large time scale (MYA)

Question 16

Example: Macroevolution

Answer 16

Whales

Question 17

Evidence of evolution

Answer 17

Comparative anatomy, embryology and development, fossil record, DNA comparison

Question 18

Divergent

Answer 18

Seperate species evolving from one ancestral species

Question 19

Convergent

Answer 19

Species with different ancestral origins showing similar adaptations

Question 20

Graduated

Answer 20

Variation and selection occurring gradually with small changes over time

Question 21

Punctuated

Answer 21

Variation and selection is sudden ad occurs in spurts