Unit 3 - KA4 Energy in Ecosystems

Question 1

How is energy lost in a food chain?

Answer 1

-Heat
-Movement
-Undigested waste

Question 2

What is a pyramid of energy?

Answer 2

A pyramid of energy shows the total quantity of available energy stored in the biomass of organisms at each level in the food chain

Question 3

What is a pyramid of numbers?

Answer 3

A pyramid of numbers is a diagram which shows the number of organisms at each stage in a food chain

Question 4

What is the comparison of pyramid types?

Answer 4

Pyramids of numbers can be irregular, however, a pyramid of energy will always take the shape of a pyramid since the available energy decreases at each trophic level