Pacific Ocean

Atlantic Ocean

Indian Ocean

Some plants and animals are referred to as________ organisms because they are extremely small.

Thanks to modern technology, scientists have been able to________ the life of plants and animals that live under the sea.

A ________ is a large area of sea that is partly surrounded by land.

________ is a term that refers to the existence of different kinds of animals and plants which make a balanced environment.

These scientists have collected different________ to analyse for their experiment.