Anole lizards can be found on many islands in the Caribbean that share similar environmental habitats. Anoles on the different islands share similar ecological morphotypes because of their similar habitats. Anoles on each island have evolved from a common ancestor into a variety of different species that occupy different ecological niches as shown below.   Which of the following statements explains how the morphotypes found on one island, and shown in the figure, occurred as a result of speciation? Convergent evolution occurred, causing new species to evolve based on diverse new habitats. Phenotypic diversification occurred as a result of divergent evolution as the anoles adapted to new habitats. Natural selection occurred, so individual anoles with certain phenotypes can survive and reproduce only in a specific ecological niche. Reproductive isolation occurred as a result of habitat isolation since the anoles are unable to move into different ecological niches to breed.

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Evolutionary lineages

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lineages visually. Lineages are components of the phylogenetic tree of life. Molecular systematics procedures are widely used to predict lineages.