"The rules and principles [of creation] are in the scriptures. The revelations make it very clear that mankind is the offspring of Heavenly Parents. We have in God our Father and a Heavenly Mother the pattern of our parentage. . . . No lesson is more manifest in nature than that all living things do as the Lord commanded them in the Creation. They reproduce after their own kind (see Moses 2:12, 24–25). They follow the pattern of their parentage. Everyone knows that. Every four-year-old knows that! A bird will not become an animal nor a fish. A mammal will not beget a reptile. . . .  Each is a child of God. He is not a monkey; neither were his ancestors."

Source: Children of God. www.byub.org/talks/Download.aspx?id=1774&md=pdf