Which two factors provide the genetic basis for variation within a species? A. competition and protein synthesis

B. constant gene frequency and reproductive isolation.

C. mutations and sexual reproduction.

D. asexual reproduction and geographic isolation.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse