Energy Transfer And Energy Flow Flashcards
0
Q
Energy is lost from organisms through ….
A
Staying alive!
Respiration
Lost to surroundings through heat
Faeces and urine
1
Q
How is energy put into food chain?
A
Sun energy used by plants in photosynthesis then plants eaten by animals
2
Q
Why are there rarely more than 5 trophic levels in a food chain?
A
Energy is lost at each stage so not enough to support another level.
3
Q
Calculation for efficiency of energy transfer
A
Efficiency = energy available to next level
————————————–
Energy that was available to previous level
X 100
