- Ecologist-They can work for environmental organizations like The Nature Conservancy or for the government. They may work at museums, zoos and aquariums.
- Gills-The paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.
- Lungs-Each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed.
- Fahrenheit- Fahrenheit is a temperature scale
- Burrow-A burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct of locomotion.
- Island-An island or isle is any piece of sub-continental land that is surrounded by water.
- Predators-An animal that naturally preys on others.
- Extinct-No longer in existence.
- Adulthood-The state or condition of being fully grown or mature.