[Campbell Biology P.783] Which of the following extraembryonic membranes of the amniotic egg... | Practice Question
Which of the following extraembryonic membranes of the amniotic egg primarily serves as a fluid-filled compartment that bathes the embryo and acts as a hydraulic shock absorber?
Explanation
The amnion is the extraembryonic membrane that encloses a compartment of fluid bathing the embryo, acting as a hydraulic shock absorber. This is explicitly stated in the 'Derived Characters of Amniotes' section.