B1.5 - Energy and Biomass in Foodchains Flashcards
1
Q
What is a source of energy fro most communities of living organisms?
A
Radiation form the sun
2
Q
Green plants and algae absorb…
A
…a small amount of the light that reaches them
3
Q
Which energy transfer takes place during photosynthesis?
A
light energy into chemical energy
4
Q
Where is the energy produced during photosynthesis stored?
A
In the substances that make up the cells of plants
5
Q
What is biomass?
A
The mass of living material
6
Q
What happens to biomass as a food chain progresses?
A
It gets less
7
Q
What does a pyramid of biomass show?
A
The biomass at each stage in a foodchain
8
Q
How is biomass lost in a food chain?
A
- some energy + materials are lost in waste materials
- respiration
- energy is used for movement and control of body temperature
