Question

national parks do a great job of protecting species. what else is carefully protected in a national park? natural habitat for all species fences between different areas parcels of land to be sold parking areas to ensure visitors

Explanation:

National Parks aim to protect ecosystems, including the natural habitats that support species. Fences are not a primary protection focus, land for sale goes against conservation, and parking areas are for visitor convenience, not a core protection element. So the natural habitat for all species is what's carefully protected.

Answer:

A. natural habitat for all species