Question

practice it
what occurs during embryonic development?
the major organ systems begin to form
the embryo develops the ability to speak
the embryo develops the ability to fly
the embryo grows hair and nails
the mothers body begins to form the embryo

Explanation:

During embryonic development, major organ systems start to form. The ability to speak and fly are not developed during embryonic stage. Hair and nails develop later. The embryo is formed from the zygote, not the mother's body forming it.

Answer:

The major organ systems begin to form.