Cacao beans arrive in a factory from the areas where they grew. at the factory, the best beans are sorted and put into bags. after quality-control workers check the bags, a large truck transports the cacao beans to a commercial chocolate-producing company. which organelle plays a similar role inside a cell?

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.