Earth, our home, is the third planet from the sun. It’s the only planet known to have an atmosphere containing free oxygen, oceans of water on its surface and, of course, life. Earth is the fifth largest of the planets in the solar system.
Planet Earth is a home to trillions organisms, including animals and plants. They are found on lands, lakes, rivers and oceans, as well as in the air.
Humans share the planet with millions of different forms.
