Available on Prime Video

S1, E5: Phytoplankton form the base of almost all marine food chains, including that of the blue whale; far below the penetration of sunlight, a very different and only recently discovered food web relies solely on the chemosynthetic ability of bacteria.

2 Feb 2018 · 29 min

Information

Released
2018
Run Time
29 min
Rated
PG

Languages

Audio
English (AAC), English (United States)
Subtitles
English (CC)

Accessibility

Closed captions refer to subtitles in available languages with the addition of relevant non-dialogue information.