Answer:
the answer is C non-specific immunity
Explanation:
Your answer would A insects because insects are the only invertebrates that can maintain flight. FOr example Butterflies and Flies Can maintain flight
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<span> Enzymes are usually proteins but some also contain nucleic acids (RNA in particular) and the list of chemical reactions that are catalyzed by RNA has been expanding. So the answer is proteins.</span>
The biosphere is the worldwide sum of all ecosystems. Biodiversity is the variation of genetic species in the ecosystem.
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