Octopuses, jellyfish, sharks, sea stars and sea turtles are a few of the numerous animal species that inhabit the oceans. Since most plants need sunlight to carry out photosynthesis, many underwater plants make their homes close to the shore. Phytoplankton is one of the...
Only about 30 percent of the Earth's surface is dry land, oceans make up the remaining 70 percent. Earth's oceans are home to hundreds of thousands of marine life forms, but because most of the ocean depths remain unexplored, hundreds of thousands or even millions of un...
The ocean is important to life on Earth because of the role it plays in both the hydrologic cycle and the carbon cycle. The hydrologic cycle, also known as the water cycle or H2O cycle, refers to the relationship that exists between the circulation, evaporation and prec...
The ocean is home to many different species of plankton, marine invertebrates, cephalopods, marine mammals and sea turtles. Other creatures that live in the ocean include numerous types of fish, sharks and corals.
Among many other sources, one can find lessons on ocean habitats for kids at National Geographic’s kids’ website, the PBS Kids website and the University of California at Santa Barbara’s website. Each source has different interactive features for children to explore.
Factors that limit the type of life forms able to live in an ocean environment include temperature, sunlight, pressure, oxygen concentration and nutrient availability. Because of its many varied attributes, the ocean offers a unique home to aquatic life.
Although the ocean is one enormous and interconnected body of water, it is broken up into four regions. The four ocean regions are the Atlantic, Pacific, Indian and Arctic.