Answer:
B. The heart beat and pulse rate may change, but are always equal.
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The surface area to the volume ratio gets smaller as the cell gets larger. If the cell grows beyond a certain limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
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Anthropoid
Pretty sure that is right B/C they have a exoskeleton, they are land animals primarily (Oxygen Tubes), they have joints and have two body segments.
Microtubules are filamentous intracellular structures that are responsible for various kinds of movements in all eukaryotic cells. Microtubules are involved in nucleic and cell division, organization of intracellular structure, and intracellular transport, as well as ciliary and flagellar motility.