H e l p 1. In this unit you learned quite a bit about water. Why is understanding the physical and chemical properties of water so important in the study of biology? Use at least one property of water as an example in your answer.

2.Enzymes are essential to living things. What are enzymes made of? What exactly do they do in a cell?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

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