Crossing over is traits givin to the child. They inherit those traits from the parents. You can think crossing over as a hand me down. Say your mom is hot headed but your father is calm a lot. But you are more of a hot head. That is because the cross over genes gave you the hot headed trait.
A domain is a taxonomic category above the kingdom level.
3. Coconut juice was not an effective way to get rid of the green slime.
4. Homer's hypotheses is incorrect, because the green slime had no change in appearance after the coconut juice treatment.
Dinosaurs existed 4 the same reason that any other animal has existed or does exist. The dinosaurs evolve and were well adapted that they survived 4 millions and millions of years!
Hoped this helped! :)
