Question 9
Feeding Relationships and Energy FlowThe diagram below is an illustration of an ecological pyramid.
4th level: 10
3rd level: 1,000
2nd level: 8 000
1st level: 20
Organisms that would occupy the first level are

- A.grasses
- B.trees
- C.herbs
- D.weeds
Show the answer and explanation
Answer: B (trees)
Explanation
Only 20 producers support 8,000 primary consumers, so each producer must be very large, like a tree.