Complex sentence: By contrast, African species had many thousands or a few million years to adapt to the gradual development of human hunting skills, yet many of the commonly domesticated bovid species (goats, sheep, water buffalo and yak) originated in Asia.
Split into simpler sentences: By contrast, African species had many thousands or a few million years to adapt to the gradual development of human hunting skills. Yet many of the commonly domesticated bovid species (goats, sheep, water buffalo and yak) originated in Asia.