energy in ecosystems Flashcards
e.g. food chains. pyramid of numbers
1
Q
in a food chain, the majority of the energy is lost as
A
heat, movement or undigested materials
2
Q
at the next level of the food chain, only a small amount of energy is
A
used for growth
3
Q
a pyramid of numbers is
A
a diagram that represents the total no. of organisms at each stage of a food chain
4
Q
a pyramid of numbers can be
A
an irregular shape if it involves producers such as trees, or parasites
5
Q
a pyramid of energy is
A
a diagram that shows the total energy in the bodies of all organisms at each level of a food chain
