What structures protect the embryo during development and allow it to be provided with nourishment and exchange wastes?Multiple choice question.Embryonic disksThree primary germ layersSix pharyngeal pouchesExtraembryonic membranes

The structure that provides the developing embryo/fetus with nourishment and oxygen and takes away its waste is the .

The extraembryonic membrane that contains fluid to cushion and protect the embryo is the Blank______.Multiple choice question.yolk sacallantoisamnionchorion

What surrounds the cell membrane of most bacteria and provides structure and protection?Multiple choice question.nucleoidflagellumribosomecell wall

The yolk sac of the chick provides nutrients to the developing embryo. What structure serves the same role in humans?Multiple Choicechorionallantoisyolk sacamnionzona pellucida

Which of the following supplies nutrients to the embryos of birds and reptiles?Multiple choice question.PlacentaYolk sacChorionAllantois