Author: Erin Harden

Understand what ecosystems are and the role humans have on the oceanic ecosystems.

Marine ecosystems are self-sustaining.

See More
Introduction to Psychology

Analyze this:
Our Intro to Psych Course is only $329.

Sophia college courses cost up to 80% less than traditional courses*. Start a free trial now.


The Blue Planet

3/4 of Earth surface is covered with Oceans which plays a major part in shaping both life and weather.

Source: Youtube

Deep Blue

Full Screen

Blue Plant

Questions over movie

Full Screen