Adaptation

Question 1

What is meant by the term competition?

Answer 1

Organisms competing for resources in order to survive

Question 2

What is meant by the term habitat?

Answer 2

The place where an organism lives

Question 3

What is meant by the term community?

Answer 3

All the populations of different organisms that live together in a habitat

Question 4

What is meant by the term ecosystem?

Answer 4

A community and its habitat

Question 5

What 4 things do animals compete for?

Answer 5

Food
Water
Territory
Mates

Question 6

What 4 things do plants compete for?

Answer 6

Light
Space
Water
Minerals/nutrients from the soil

Question 7

What adaptations does a polar bear have in order to survive in the cold conditions?

Answer 7

1. White fur- camouflage from prey
2. Thick layer of fat and fur- Insulation
3. Small surface area to volume ratio- minimise heat loss
4. Large furry feet- distribute their load and grip across the ice
5. Black skin under fur- absorb the heat from the sun- insulation, minimises heat loss

Question 8

What adaptations do desert animals have?

Answer 8

1. Large surface area to volume ratio- increases loss of body heat-stops them overheating
2. Produce small amounts of concentrated urine- lose less water
3. Make very little sweat
4. Thin layers of body fat and a thin coat-helps to lose body heat
5. Sandy colour gives good camouflage- avoid predators/sneak up on prey

Question 9

What are extremophiles?

Answer 9

Organisms that can live in extreme environments and can survive conditions that would usually kill most other organisms.

Question 10

What are the 3 main extreme conditions that extremophiles are able to survive?

Answer 10

High temperatures
High concentrations of salt in water
High pressures