Phylogeny refers to the evolutionary history of a taxonomic group of organisms. It is essential in the scientific study of the identification, classification, ecology, and evolutionary histories of organisms, which is systematics. Phylogeny shows the relationships between groups of organisms (taxa) particularly the differences and similarities among them. Phylogeny is represented by a tree diagram called phylogenetic tree.
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Give reasons for the following :
Growth of long bones is bi-directional
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Answer the following :
Why is the shape of the right lung slightly different from that of the left lung ?
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Answer the following :
Name the gene of a cancer causing virus responsible for transformation.
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Answer the following :
Which hormone keeps leaves green for a longer time ?
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Explain briefly :
Photophosphorylation
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Answer the following :
Name the vessel which supplies blood to the heart muscles.
