You are a biologist examining local bird populations in your area. you have noted that there appears to be several varieties of bird species in the area. you believe some of these varieties are the same species, but the males and females display different coloration patterns. this is an example of what type of phenotypic differentiation?

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

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: