The number of legs that an arthropod has is a very useful characteristic for classifying them into different classes. Insects always have six legs<span> (three pairs) and arachnids have </span>eight legs<span> (four pairs). Crustaceans have at least </span>eight legs<span> and often more, while myriapods can have up to a hundred legs!</span>
The surgical correction of a damaged middle ear is known as <u /><span><u>tympanoplasty</u><u />.</span>
Answer:
Mutation and sexual reproduction
Explanation:
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Answer:
tungsten metal is the strongest metal.
The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.