You Find a Leathery Egg Casing Attached to the Substrate

Multiple Choice

You find a leathery egg casing attached to the substrate in the ocean.You do not know what organism laid the egg,but you find an animal embryo developing inside.From what you have observed,you can conclude that the embryo will develop into an organism that

A) uses external fertilization.
B) spawns gametes.
C) uses internal fertilization.
D) is a terrestrial animal.
E) receives parental care until hatching.