SELECTIVE BREEDING INVOLVES CHOOSING PARENTS WITH PATICULAR CHARACTERISTICS TO BREED TOGETHER AND PRODUCE OFFSPRING WITH MORE DESIRABLE CHARACTERS . ... CROSS BREEDING INVOLVES TWO DIFFERENT BREEDS FROM THE SAME SPECIES TO CREATE A NEW BREED
Because the moon is significantly smaller than earth,
Its gravitational pull is also smaller and weaker.
So he weighed much less on the moon than he did on earth because of the change in gravity
Answer:
stronger and longer organ are able to mate more with females, whereas the shorter one didn't stand a chance.