What of the following is not a reason algae are classified as plant

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

Which of the following human activities resulted in the growth of the north american deer population?

Which of the following explains why a tree is often used as a model to represent the principle of common descent