During a Prolonged Dive, Mammals Such as the Weddell Seal

question 47

Multiple Choice

During a prolonged dive, mammals such as the Weddell seal do all of the following except

• A)derive ATP from fermentation.
• B)route blood to major organs.
• C)decrease O₂ consumption rate.
• D)increase blood supply to muscles.
• E)decrease heart rate.

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Definitions:

Extraembryonic Membranes

Membranes that are not part of the embryo but provide protection and support, including the amnion, chorion, yolk sac, and allantois.

Placenta

An organ that develops in the uterus during pregnancy, supplying oxygen and nutrients to the fetus and removing waste products via the umbilical cord.

Endodermal

Pertaining to the innermost layer of the embryonic germ layers, which gives rise to the lining of the digestive and respiratory systems.

Epidermal

Relating to the epidermis, the outermost layer of skin, which provides a barrier against environmental damage.