I know that one of them is respiratory system.....
Answer:
the animals that are selected for breeding will mix their DNAs while making the baby, so the baby will carry the characteristics of both parents (it depends on if the trait is dominant or recessive
Explanation:
The ripened ovary of an angiosperm flower. Fruits, like flowers, are the unique aspects of reproduction in angiosperms. They protect the enclosed seed, and aid in their dispersal.