Simple Definition:
Habitat is the natural environment where a particular plant or animal lives. It is the place where a species finds the resources it needs to survive, such as food, water, shelter, and space. [Species refers to a group of living organisms that share common characteristics.] For example, a coral reef is the habitat for various types of fish, coral, and other marine creatures.
Very Simple Definition:
Habitat is where an animal or plant lives. It is their home where they can find food, water, and a safe place to live. For example, a squirrel lives in a tree, and a fish lives in the ocean.