You Need to Understand Pyramids of Numbers Flashcards
1
Q
What does each bar on a pyramid of numbers show?
A
The number of organisms at that stage of the food chain
2
Q
If there were 5000 dandelions and 100 rabbits, which bar would need to be longer?
A
The ‘dandelions’
3
Q
Why would the dandelions go at the bottom of the pyramid?
A
They’re at the bottom of the food chain
4
Q
What happens to the number of organisms each time you go up a trophic level and why?
A
The number of organisms goes down - takes a lot of food from the level below to keep one animal alive
5
Q
Look at diagrams page 67
A
Ok
