Topic 8 - Pyramids of Number, Biomass and Energy Flashcards
1
Q
what do food chains always start with?
A
a producer
2
Q
what are producers eaten by?
A
primary consumers
3
Q
what are primary consumers eaten by?
A
secondary consumers
4
Q
what is a decomposer?
A
an organism that breaks down dead material and waste by eating it
5
Q
what are the stages of a food chain called?
A
a trophic level
6
Q
what do pyramids of number show?
A
the number of organisms at that stage in the food chain
7
Q
what do pyramids of biomass show?
A
the mass of living material at that stage of the food chain
8
Q
what do pyramids of energy transfer show?
A
the energy transferred to each trophic level in a food chain
