Key area 4- Energy in ecosystems Flashcards
1
Q
How is energy lost in food chains?
A
Through heat, movement and undigested materials.
2
Q
How much energy is used for growth in organisms?
A
Only a small amount of energy is used for growth and is therefore available at the next level in a food chain.
3
Q
What does a pyramid of numbers show?
A
It shows the number of organisms at each level of a food chain.
4
Q
What does a pyramid of energy show?
A
It shows the total quantity of energy stored in the biomass of organisms at each level of a food chain.
