Section 1

Question 1

Define Ecosystem

Answer 1

Natural biological unit composed of habitats, populations and communities ( living & non-living parts ) e.g Forest

Question 2

Define Habitat

Answer 2

The place where organisms live. e.g burrows and tree branches

Question 3

Define Population

Answer 3

All the organisms of one species found in a particular area. e.g Number of red deer in a

Question 4

Define community

Answer 4

All the organisms living in a habitat e.g rock pool made up of communities of crabs, shells, fish etc

Question 5

Define species

Answer 5

A group of organisms capable of breeding with each other to produce fertile offspring e.g

Question 6

Define Niche

Answer 6

The role and organism has within its community in an ecosystem e.g wading birds

Question 7

Define Biotic

Answer 7

Factor related to the biological aspects of an ecosystem such as predation and competition

Question 8

Define Abiotic factor

Answer 8

Refers to physical factors such as temperature and light intensity that affect ecosystem.

Question 9

Define Biodiversity

Answer 9

Total variation that exists amongst all living things on earth

Question 10

What parts is an ecosystem made up of

Answer 10

• Habitat
• Population
• Community