The Y axis of a graph gives the units for the

The y-axis of a graph gives the units for the dependent variable.

Explanation:

Dependent variable is the variable being tested and measured in an experiment, it depends on the independent variable.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

yes? sounds right, but you didn’t ask a question.