biomass transfer Flashcards
1
Q
what is the source of energy for most life on earth?
A
the sun
2
Q
what do producers use the energy from the sun for?
A
making glucose during photosynthesis
3
Q
how much energy do plants and algae transfer from light to photosynthesis?
A
1%
4
Q
how much biomass is transferred to the level above?
A
10%
5
Q
why is biomass lost?
A
-not all the ingested material is absorbed, some is egested as faeces
-some absorbed material is lost as waste, such as carbon dioxide and water in respiration and water and urea in urine
-organisms don’t eat every single part of the organism they’re consuming
