write 1 paragraph on the Discussion Board: Why do leaves change color in the fall? What is difference between bilateral and radial symmetry? Give 2 examples of organisms for each type. Select 1 bacteria that causes a disease in humans. What are the causes, effects, and cure?

You will select 1 of the following 3 topics, and write 1 paragraph on the Discussion Board:

1. Why do leaves change color in the fall?
2. What is difference between bilateral and radial symmetry? Give 2 examples of organisms for each type.
3. Select 1 bacteria that causes a disease in humans. What are the causes, effects, and cure?