Interactions

Question 0

Explain what a population is

Answer 0

A group of organisms of the same species that live together in the same area at the same time and can interbreed

Question 1

Name the four ecological interactions

Answer 1

Populations
Communities
Ecosystems
Biosphere

Question 2

What is an Ecosystem

Answer 2

The interaction between living and non living things in the environment

Question 3

Name the tropic levels

Answer 3

Producer
Consumer
Decomposers

Question 4

What is a food chain

Answer 4

The transfer of energy from producers throughout a series of consumers to the decomposers

Question 5

What is a food web

Answer 5

A number of interwoven food chains

Question 6

What are fertilisers made up of ?

Answer 6

Nitrogen, sulphate and phosphate

Question 7

What are the effects of acid rain

Answer 7

Damages building, crops, changes pH in rivers

Question 8

What is poaching

Answer 8

Illegal removable of animals

Question 9

Explain biological control

Answer 9

Living organisms are used to control population of a pest

Question 10

Explain chemical control

Answer 10

Chemical poisons or herbicides are sprayed onto alien plants

Question 11

Explain mechanical control

Answer 11

This is an expensive process and involves burning, cutting down and or uprooting alien plants