B2- Pyramids of Biomass and Numbers Flashcards
1
Q
what is a trophic level and what happens as you go up a trophic level?
A
it is a feeding level, and as you go up the energy, biomass and the number of organisms all decrease
2
Q
are pyramids of biomass always pyramid shape?
A
yes
3
Q
why is it sometimes hard draw an accurate pyramid of biomass?
A
because the organisms don’t just feed on one particular animal they feed on lots of different animals
4
Q
what is a pyramid of numbers?
A
the number of organisms at that stage of the food chain
