All work must be done using the APA 6th edition format. In text citations with references. The word allotment does not include the cited works.

75 words each
1. If an individual organism has a genotype of AaBb, how many different gametes can he/she produce and what are they?
2. In what way is plant cell division different from animal cell division?
3. Name the two parts of the skin and relate their functions.
4. Why are phytoplankton important for life on earth?
5. List and describe the three forms bacteria can take.
200 words each
1. Explain how ATP powers muscle contraction.
2. Why is it accurate to think of each human being as the owner of a library of ancient information?
3. Define homeostasis and give an example of a negative feedback loop.
4. Explain what causes hair to lose its color, that is, go gray as we age.
500 words each
1. List the organ systems that are directly involved when one eats a meal and explain how they are involved.
2. Relate the four steps of the life cycle of a common virus, such as HIV.