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The great diversity of life today evolved from less-diverse ancestral organisms over billions of years . A diagram called a phylogenetic tree can be used to show evolutionary relationships among organisms . Biology is very broad and includes many branches and subdisciplines . Examples include molecular biology , microbiology , neurobiology , zoology , and botany , among others .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.