The contains the pineal gland which secretes the hormone melatonin.

Whats one way that rocks do not follow the typical rock cycle pathway?

Which of the following is a testable hypotheses?

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