energy efficiency Flashcards
1
Q
the least efficient transfer is from
A
light energy to the producer
2
Q
why light energy to the producer the least efficient transfer
A
some light will miss the plant (/chloroplasts)
some light is reflected by the cuticle
some light has the wrong wavelength to be absorbed by chlorophyll
3
Q
approximately …. of energy is passed from one trophic level to the next
A
10%
4
Q
energy is passed through … levels
A
trophic
5
Q
why does only 10% of the energy pass
A
some parts aren’t eaten
egested as faeces
some materials are respired to release energy for:
movement, temperature, breathing etc
