Pyramids of Number and Biomass Flashcards
1
Q
What is a pyramid of number
A
A pyramid of numbers is a diagram that showshow many organismswe are talking about at each level of a food chain.
2
Q
What are pyramids Of biomass
A
A pyramid of biomass is a diagram that showshow much mass the creatures at each level would have without including all the water that is in the organisms(their ‘dry mass’)
3
Q
List an advantage of using a pyramid of biomass rather than a pyramid of numbers to represent a food chain
A
Pyramids of biomass provide a much better idea of the quantity of the plant or animal material at each level of a food chain and therefore are a better way of representing interdependence within the food chain