energy in ecosystems (pyramids)

Question 1

what does energy in ecosystems mean?

Answer 1

food chains show th transfer of energy from one level to the next. lots of energy is lost at each level. this means that only a very small quantity is used for growth an is available at the next level in the food chain

Question 2

name 3 ways energy can be lost along the food chain

Answer 2

heat
undigested materials
movement

Question 3

what is a pyramid of numbers?

Answer 3

represent the number of each organism at each trophic level in a food chain, these can be irregularly shaped

Question 4

what is a pyramid of energy

Answer 4

represent the amount of energy at each level in a food chain. They are always pyramid shaped as energy is always lost between levels in food chain.