A cell of some sort.
Biology is the study of every living thing on earth.
It Dies (ceases to be a living thing).
When a living thing dies, it dies. Thus, every living thing has one life.
Every living thing needs water, oyygen and food and nutrients and sun to help it survive. You can tell that a thing is living if it breaths or grows.
every living thing had DNA if it didnt have DNA it wouldn't be alive or be what it looks like
All living animals inhale oxygen. It is contained in air and in water (for fish and amphibians)
Carbon
Yes.
no they are gay
water
Every living thing needs oxygen.
every living thing has cells so a catfish would have cells