Pyramid models Flashcards
1
Q
what do pyramid models do?
A
they model the distribution of energy and matter in an ecosystem.
2
Q
what do energy pyramids do?
A
compare the energy used by producers and other organisms on trophic levels.
3
Q
90% of energy between tiers is lost in an energy pyramid. In what form is it lost?
A
as heat
4
Q
what is biomass?
A
measure of the total dry mass of organisms in a given area.
5
Q
what does a pyramid of numbers do?
A
shows the numbers of individual organisms at each trophic level in an ecosystem.
