Organisms and their environment

Question 1

Food chain

Answer 1

A diagram showing the transfer of energy from one organism to the next, beginning with a producer

Question 2

Food web

Answer 2

A network of interconnected food chains

Question 3

Producer

Answer 3

An organism that makes its own organic nutrients, usually using energy from sunlight, through photosynthesis

Question 4

Consumer

Answer 4

An organism that gets its energy by feeding on other organisms

Question 5

Herbivore

Answer 5

An animal that gets its energy by eating plants

Question 6

Carnivore

Answer 6

An animal that gets its energy by eating other animals

Question 7

Decomposer

Answer 7

An organism that gets its energy from dead or waste organic material

Question 8

Trophic level

Answer 8

The position of an organism in a food chain, food web, pyramid of numbers or pyramid of biomass

Question 9

Population

Answer 9

A group of organisms of one species, living in the same area, at the same time

Question 10

Community

Answer 10

All of the populations of different species in an ecosystem

Question 11

Ecosystem

Answer 11

A unit containing the community of organisms and their environment, interacting together, e.g. a decomposing log, or a lake