Topic 11- Key Terms

Question 1

Define Biosphere

Answer 1

The layer of land, air and water that surround the Earth and supports life

Question 2

Define Ecology

Answer 2

The study of relationships between organisms and their environments

Question 3

Define Environment

Answer 3

The conditions surrounding an organisms, which can be split up into living and non-living components

Question 4

Define Biotic

Answer 4

Any living component within an ecosystem in which the action of the organism affects the life of another organism

Question 5

Define Abiotic

Answer 5

A non-living chemical or physical factor in the environment that affects the life of an organism

Question 6

Define Ecosystem

Answer 6

All the living and non-living components of a particular area.

Question 7

Define Population

Answer 7

A group of individuals of the same species that occupy the same habitat at the same time.

Question 8

Define Community

Answer 8

All the living organisms present in an organism

Question 9

Define Habitat

Answer 9

The place where an organism normally lives and which characteristics by physical conditions and the types of other organisms present

Question 10

Define Niche ( Ecological Niche )

Answer 10

Describes how an organism fits into its environment.

Describes what a species is like, where it occurs, how it behaves, interactions and how it responds to its environment