Natural environments are different open enviroments with different natural settings and landforms, these can also be homed to animals.
Natural environment means all living and non-living things occurring naturally, meaning not because of humans.
The boundary of a coast, where land meets water, is called the coastline. Waves, tides, and currents shape coastlines. It is full of natural sand, rocks, sand dunes, little shrubs
Urban areas are not actually classified as a natural environment, an urban area is densely overpopulated, with a high population of infrastructure of human-made structures and buildings.
Dry bushland is a dense dry land with lots of dry small trees and little scrubs and bushes. These plants are adapted to survive in dry conditions.
Marine is the underwater environment, it is homed to all underwater fish and animals. Its floor is made up of different parts, with it being mostly sand, rocks, reefs, and coral reef.