Before revision: Extreme pressure: deep ocean areas Extreme habitats Many different habitats can be and will be considered extreme environments, such as the polar ice caps, the driest spots in deserts, and abysmal depths in the ocean.
After revision: Extreme pressure: deep ocean areas Extreme habitats Many different habitats can be considered extreme environments, such as the polar ice caps, the driest spots in deserts, and abysmal depths in the ocean.