Biology 3.1 Terms + Definitions

Question 1

Food Chain

Answer 1

The sequence of what-eats-what in a community

Question 2

Food Web

Answer 2

The NETWORK of interrelated food chains in a community

Question 3

Carnivore

Answer 3

An organism which eats animals (meat)

Question 4

Herbivore

Answer 4

An organism which eats plants

Question 5

Omnivore

Answer 5

An organism which eats plants and animals (think latin - omni means everything)

Question 6

Producer

Answer 6

A plant which produces chemical energy by photosynthesis

Question 7

Primary Consumer

Answer 7

An organism which eats a producer e.g. a rabbit

Question 8

Secondary Consumer

Answer 8

An organism which eats a primary consumer e.g. birds

Question 9

Tertiary Consumer

Answer 9

An organism which eats a secondary consumer e.g. foxes

Question 10

Quaternary Consumer

Answer 10

An organism which eats a tertiary consumer e.g. wolves

Question 11

Predator

Answer 11

An organism which hunts its food

Question 12

Prey

Answer 12

An organism which is hunted

Question 13

Population

Answer 13

The number of organisms of the same species in an area

Question 14

Community

Answer 14

All the different species of organisms in an area

Question 15

Ecosystem

Answer 15

All the organisms (COMMUNITY) living in a particular habitat and the non-living components (ABIOTIC FACTORS) which affect them.

Question 16

Abiotic

Answer 16

A non-living factor which can affect an organism

Question 17

Biotic

Answer 17

A living factor which can affect n organism

Question 18

Species

Answer 18

A group of similar organisms which can INTERBREED to produce fertile offspring

Question 19

Biodiversity

Answer 19

The variety of species in an area