How can environmental changes lead to the extinction of a species?

Instead , climate change was found to typically lead to local extinctions and declines by influencing interactions between species, such as reducing prey populations for predators. ... However, where causes have been identified, changing species interactions have been found to be key in the majority of cases.

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.