A.) Why do scientist have such a hard time categorizing protista?
b.) What kind of characteristics can protista have? Describe the characteristics.

4. Go to the following website: https://sciencing. com/list-fungi-benefits-8606974.htm l
(Links to an external site.)

This website talks about fungi. Answer the following questions based on the information found on this website:
a. What medical uses do fungi provide?
b. What environmental benefits do they provide?

5. Refer to your notes on "chapter 18.3 & 19.2" answer the questions below:
a. What is the difference between "punctuated equilibrium" & "gradualism" - describe how they can lead to very different "paths" to evolution.
b. Co-evolution is an example of "mutualism". Look-up one example of a "mutualistic relationship" where the species may have co-evolved to depend on each other. I gave you 2 examples in your notes (you can't use mine). Provide the example and explain how both species benefit from this relationship?