3. Why do you think using a pyramid shape is a good model
to show how energy moves
through an ecosystem?
TOUR
I

Which blood cell spend most of their time in the lymphatic system?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.