Transfer Of Energy Through Trophic Levela Flashcards

1
Q

What is a trophic level?

A

Feeding levels in food chains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

State what is found at each trophic level.

A

TL1 - Producer
TL2 - Primary Consumer
TL3 - Secondary Consumer
TL4 - Tertiary Consumer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why is the transfer of energy from light energy to TL1 inefficient?

A
  • wrong wavelength so not absorbed by chlorophyll
  • misses the chloroplasts
  • reflected from leaf surface
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why is the energy transfer between trophic levels inefficient?

A
  • some parts of organisms are inedible
  • some parts of organisms are indigestible
  • organisms respire which releases heat energy
  • mammals release heat through respiration to maintain body temperature
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How is the % efficiency of energy transfer calculated?

A

( Net production of trophic level / net production of previous trophic level ) X 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly