1. How do the rates of warming and cooling of land surfaces compare to the rates of warming and cooling of ocean surfaces?

2. Briefly describe an experiment via which an intron- exon arrangement can be determined.

3. Why are both FSH and LH required for follicles to synthesize estrogen? What are the roles of FSH and LH in male reproduction?

4. How could you determine the ovulation rate in a sow by looking at the ovarian structures?

5. What determine whether a type Ao spermatogonia remains a stem cell or enters the process of

6. What developing germ cells are located in the adluminal region of the seminiferous tubules? In the basal region spermatogenesis?