Which factor is most likely to play a role in producing different varieties of cattle

An easy way to calculate the amount of energy available at each level is to what?

Give an example of a trait that is controlled by more than one gene.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid