All organisms require energy. The feeding relationship in an ecosystem can be shown in a foodchain. Learn about pyramids of biomass, energy and numbers.
Which of the following statements about energy transfer in a food chain is correct?
All of the energy is transferred along a food chain – none of the energy is lost
Most of the energy is transferred along a food chain – only a small amount of the energy is lost
Only a little of the energy is transferred along a food chain – most of the energy is lost
What do you call a diagram that shows the population sizes of organisms at each level of a food chain?
A pyramid of biomass
A pyramid of energy
A pyramid of numbers
Three pyramids of numbers are shown.
Which pyramid is most likely to have a tree as the producer?
Which pyramid shows that a parasite is part of the food chain?
In a food chain, the majority of energy is lost as:
heat and movement
movement and undigested materials
heat, movement and undigested materials