Why is the weight of an object more on earth then on the moon?

This is because the gravitational force on a object is directed to its mass. Since the moon has a lesser mass that the Earth, its gravitational pull is weaker. As a result objects weigh less on the moon.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: