Energy Efficiency Flashcards
1
Q
How do animals reduce waste through respiratory energy?
A
- reducing movement
- heat enclosures
2
Q
How do plants reduce energy waste?
A
- simplifying food webs by use of pesticides
- reducing competition by removing weeds
- using fertilizers to keep soil nutrients rich
3
Q
How do you calculate percentage efficiency?
A
- (energy in higher trophic level / energy in lower tropic level) x 100
4
Q
Why is farming expensive to maintain?
A
- energy is lost in many ways
