1. Mitochondria and chloroplasts reproduce the same way free-living bacteria do—by _____________.

My answer: Binary fission.

2. The tropism that allows seedlings to find their way out of the soil and into the sunlight is _________________.

My answer: Positive tropism.
 

3. The seahorse is an unusual example of a(an) _______________species because the male incubates the eggs in a pouch before giving birth to fully formed live offspring. 

My answer: Hippocaumpus