Energy Transfer Flashcards
0
Q
How can energy be lost on a food chain?
A
Respiration, egestion, excretion and death.
1
Q
Why can’t you have large food chain?
A
There isn’t enough energy as energy is lost at each stage.
2
Q
What is energy used for?
A
Growth and reproduction.
3
Q
What happens to remaining energy in a rabbit for example?
A
It gets built into the molecules in the rabbit.
4
Q
Why do farmers minimise energy losses?
A
To get best yield and save money
5
Q
How do you work out efficiency?
A
Energy built into organism /
Energy available. X 100%
6
Q
Why farmers keep animals indoors?
A
Reduces animals movement-less energy transferred out if use less heat to keep warm.
