Today it is generally accepted that life first appeared in seas. Learn about the different forms of sea life, including mammals, arthropods, reptiles, and fish. This program will also explore banks of fish, different sea zones, pelagic and benthonic zones, plankton and zooplankton, and life in benthonic regions.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Marine Life: Introduction (3:05); --Marine Life (2:58); -- Benthonic Zone (2:57); -- Marine Life: Summary (1:21); -- Credits: Marine Life (0:48); .