This series focuses on Earth's oceans, from coral reefs to the coasts. Along the way, we are introduced to a number of sea creatures, large and small, that dwell in these precious environments.
Difficulty:
Intermediate
Germany
We don't know exactly how and when life began on Earth, but the answer probably lies in the depths of the ocean: It is here that the first unicellular organisms evolved.
Difficulty:
Intermediate
Germany
How do coral reefs form, and what role do they play for underwater creatures such as fish? In this video, you can see some fascinating life forms and how they interact with one another.
Difficulty:
Adv-Intermediate
Germany
Brilliantly colorful parrot fish and two-bar sea bream are among the fish featured in this segment. Sea cucumbers, the vacuum cleaners of all the Earth's oceans, also make an appearance.
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