Meaning: Fish take in oxygen from the water and use it for energy.
Choice of Words: Oxygen is a gas that is necessary for life. Fish need oxygen to breathe and survive.
Alternative Expressions
Fish have gills to breathe.
Meaning: This means that fish have special organs called gills that allow them to take in oxygen from the water and release carbon dioxide as a waste product.
Choice of Words:Fish are animals that live in water. Gills are special organs that fish have that allow them to take in oxygen from the water. To breathe is the process of taking in oxygen and releasing carbon dioxide.
Fish breathe through their skin.
Meaning: This means that fish take in oxygen from the water through their skin.
Choice of Words:Fish are animals that live in water. Breathe is the process of taking in oxygen and releasing carbon dioxide. Through means by means of. Skin is the outer layer of an animal's body.