Final answer:
The Karankawas, a Native American tribe, adapted to their environment through fishing, hunting, gathering, and their knowledge of local plants and animals.
Step-by-step explanation:
The Karankawas, a Native American tribe, adapted to their environment in several ways. They were hunter-gatherers who relied on fishing, hunting, and gathering for their food. They used canoes to navigate the coastal waters and catch fish, and they built temporary shelters called wigwams that could easily be moved from place to place. The Karankawas also had extensive knowledge of the local plants and animals, and they used this knowledge to survive and thrive in their environment.