Crossing over... Occurs during prophase I
Is the exchange of genetic material between two homologous chromosomes
Produces genetic variations
All of the above

Building glycogen from glucose molecules is an example of what

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***

On his trip to the galapagos islands, darwin determined that animals on the islands