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In a tree, species X and Y join at a low height… | StemPy Lab

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In a tree, species X and Y join at a low height. Species Z joins the group XY at a greater height. Species W joins the group XYZ at the greatest height. Which statement is correct?

BiologyHardHigh School (11–12)Heredity and Evolution

Created by StemPy Lab

In a tree, species X and Y join at a low height. Species Z joins the group XY at a greater height. Species W joins the group XYZ at the greatest height. Which statement is correct?

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← Why could the reptiles live far from water, when the amphibians could not?A gene differs by 10 per cent between two species. In each line the gene changes by 1.25 per cent in each million years. Assuming a steady molecular clock, how many million years ago did the species split? →

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