How can you tell if a specimen is a living organism using a microscope?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

On his trip to the galapagos islands, darwin determined that animals on the islands