What is the algae that is important in the formation of coral reefs?

Did you know that a blue wales tongue weighs more than an elephant?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome