Osteoporosis is associated with low intake of which mineral? calcium niacin zinc iron

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:

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there was a variety of food available on island x, but there were only large seeds and nuts on island y.