Introduction to wildlife ecology UE Past Papers Questions.

Organisms closely related to an ancestor will resemble that ancestor more closely than they resemble distantly related organisms. Thus, analogy is the resemblances that result from a common ancestry whereas, homology result from convergent evolution.

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The phylum Annelida include worms whose body is divided into segements.

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In many Chordates, pharyngeal cleft develop into slits that open to the outside of the body and serves as supension feeding structure as well as gaseous exchange.

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Invertebrate sub-phylum`s include members of amphioxus, acorn worms and tunicate with over 2,270 species worldwide.

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Nunataks are forms of refugia including pockets of various size that were not covered during the advancing glaciers, thus served as islands where fauna and flora could survive during a period of glaciation.

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