Your eyes don’t change color, they only reflect the colours around them in particular if they are light coloured eyes. My eyes are blue-grey with a green heterachromia. They are very sensitive to light and dust so they get red easily which makes the eye color appear a brighter blue. If I wear green, the appear more green in color, when I am sunburned they appear more turquoise, etc. But when I wear white or don’t have a shirt on, they look their true blue-grey.
An ocean habitat is a large body of salty sea water. There are rocks, sand, mud, and seaweed, where some animals make homes or hide from predators.
the nostrils catch the big dust particles while the small and escaped dust particles from nostrils stick to the mucous