Pyramids Flashcards
(10 cards)
1
Q
What are food chains represented as and why?
A
Pyramids for visual clarity
2
Q
What are always at the bottom of the pyramid?
A
Producers
3
Q
How is each trophic level represented?
A
With a bar
4
Q
Name the 3 pyramid types
A
- Numbers
- Biomass
- Energy
5
Q
Describe what the energy pyramid does
A
The graph shows the relative quantity of each energy at each trophic level
6
Q
Describe what the biomass pyramid does
A
The graph shows the relative quantity of each biomass at each trophic level
7
Q
Describe what the number pyramid does
A
The graph shows the relative number of organisms at that level in the food chain
8
Q
What is the unit for the numbers?
A
Number of different organisms in a population
9
Q
What is the unit for the biomass
A
Kg or g
10
Q
What is the unit for energy
A
Kj/m2/year
