4.1 Adapt and survive

Question 1

What to plants require to survive and reproduce

Answer 1

light, carbon dioxide, water, oxygen and nutrients (eg mineral ions from the soil) and space to grow

Question 2

What do animals need to survive and reproduce

Answer 2

food from other organisms (plants and animals), water and oxygen

Question 3

What do microorganisms need to survive and reproduce

Answer 3

Different microorganisms need different materials, some need plant hosts, others animals Some do not need oxygen or light to survive

Question 4

What are the special features of organisms which enable them to survive in particular environments

Answer 4

Adaptations

Question 5

What do adaptations allow organisms to do?

Answer 5

Survive in a particular habitat, even when the conditions are extreme, eg very hot, salty or a high pressure (deep under water) They are adapted to live in the environment in which they normally live.

Question 6

What is a microorganism called that lives in a place where most microorganisms would not survive

Answer 6

Extremophiles,

Question 7

Why do only specially adapted microorganisms live in places with constant temperatures over 40C

Answer 7

Enzymes can work over a certain temperature, and denature unless the microorganism has a special adaptaion

Question 8

What is the term for when enzymes stop working due to high temperature?

Answer 8

denature