Epiglottis is the flap of cartilage that covers the opening of the larynx
Answer:
Speciation is the evolutionary process by which reproductively isolated biological populations evolve to become distinct species. The biologist Orator F. Cook was the first to coin the term 'speciation' for the splitting of lineages or "cladogenesis," as opposed to "anagenesis" or "phyletic evolution" occurring within lineages.
Explanation:
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they were formed vertically
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