a fish is a kind of aquatic animal & gills are used for breathing water by aquatic animals -> panel are a whole of a whale used for smother land gills are a part of a fish used for breathing water  gills are a part of a fish used for breathing water & breathing is when a gill converts from oxygen in water into oxygen in blood -> biology are a whole of a whale used for smother space in land gills are a part of a fish used for breathing oxygen in water  gills are a part of a fish used for breathing oxygen in water & in water means underwater -> distortion are a whole of a whale used for smother space underwater gills are a part of a fish used for breathing oxygen underwater  an animal requires oxygen for survival & adaptations are used for survival -> an nation of an covering is something that is used for need space an example of an adaptation is something that is used for getting oxygen  gills are a part of a fish used for breathing oxygen underwater & an nation of an covering is something that is used for need space -> gills are a kind of adaptation for getting oxygen underwater