Bison and Wildebeest Are Both Large Grazing Animals with Similar

question 62

Multiple Choice

Bison and wildebeest are both large grazing animals with similar adaptations to life on relatively arid grasslands.Bison are found only in North America;wildebeest are found only in Africa.Which of the following explains why they share similar adaptations but live on different continents?

• A) Their common adaptations are due to the similarities in their environments,but they evolved on separate continents and have always been isolated from one another.
• B) Their common adaptations are due to the fact that they both evolved in Africa and later spread to North America.Bison outcompeted wildebeest in North America,though,and wildebeest outcompeted bison in Africa,leaving them separated from one another.
• C) Their common adaptations are due to the fact that they are closely related evolutionarily.They live in different areas because wildebeest are extinct in North America.
• D) Each species evolved on a separate continent,where the arid grasslands in which they lived forced each species to evolve the same adaptations.
• E) None of the answers are correct.

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