Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels?

- ALevel PC is “rats” and level SC is “cats”
- BLevel PC is “insects” and level SC is “small insectivorous birds”
- CLevel PP is “phytoplanktons” in sea and “Whale” on top level TC
- DLevel PP is “pipal trees” and the level SC is “sheep”