Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

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:

your answer would be a, maximum exploitation of resources.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.