A disadvantage of an exoskeleton is that it a. cannot protect an animal’s internal organs. b. must be periodically shed, leaving the animal in a vulnerable state. c. does not provide any flexibility for the ease of movement of an animal. d. is a soft, easily damaged structure. e. cannot protect the outside of the body surface.
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A disadvantage of an exoskeleton is that it a. cannot protect an animal's internal organs. b. must be periodically shed, leaving the animal in a vulnerable state. c. does not provide any flexibility for the ease of movement of an animal. d. is a soft, easily damaged structure. cannot protect the outside of the body surface.
What is the function of the arthropod exoskeleton? a. Because hard parts fossilize more readily than do soft tissues, the presence of an exoskeleton has given arthropods a good fossil record b. It has no well-established function. (Trilobites had an exoskeleton, and they went extinct.) c. It provides protection and functions in locomotion. d. It makes growth by molting possible.
Which characteristic(s) account(s) for the success of arthropods? a. jointed exoskeleton b. well-developed nervous system c. segmentation d. respiration adapted to environment e. All of these are correct.
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