energy transfer and feeding relationships - pack 13 Flashcards
1
Q
what are heterotrophs
A
organisms that obstain energy as a ‘ready made’ organic matter by ingesting material from other organisms
2
Q
examples of heterotrophs
A
animals, fungi, most bacteria, some protoctista
3
Q
primary consumers ->
A
herbivores -> heteroptera which eat plant material
4
Q
secondary consumers ->
A
carnivores -> feed on primary consumers
5
Q
tertiary consumers ->
A
carnivores -> eat consumers
6
Q
what is a food chain
A
feeding relationships
7
Q
what is a trophic level
A
the position a species occupies on a food chain
8
Q
what is a food web
A
where each organism eats or is eaten by several other organisms
9
Q
detritivores
A
primary consumers that feed on dead organic material called detritus
10
Q
decomposers
A
species of bacteria and fungi that feed on dead remains of organisms and animal faeces
