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Practice problem

What Is Speciation? — Definition & Types

By Sarah Morgan

Cladistics is a method used in determining the relatedness of species. When two species share many genetic or physical similarities, cladistics determines that the two species probably have a common ancestor. When you have several species that came from a common ancestor, they are referred to as a clade. You can consider a clade to be an individual branch on a tree of life.

Using what you know about phylogeny and cladistics, which set of animals is most likely to be in the same clade with a recent common ancestor?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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