Question

Ninety percent of bony fish are oviparous, meaning the embryo receives nourishment from the
1)mother fish
2)umbilical cord
3)yolk sac
4)water column

Answer 1

Ninety percent of bony fish are oviparous, meaning the embryo receives nourishment from the 3) yolk sac. In oviparous species, the eggs are fertilized externally, and the developing embryos receive nutrients from the yolk stored within the egg.