Humans are complex organisms with many types of specialized cells. What is the role of DNA in cell differentiation?

After which event could you say that evolution has occurred? question 1 options: an allele frequency changes in a population. a white-eyed fly is born into a population of brown-eyed flies. a new predator comes into an environment. an animal gets fat.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity