1 videodisc (55 minutes) :sound, colour ;4 3/4 inches.
"Based on the book 'The Serengeti rules' by Sean B. Carroll."
"Subtitles are a function of the disc and serve the same purpose as closed captions"--Container.
"Described video (for the visually impaired) is available as a secondary audio track"--Container.
Title from container.
Originally produced as an episode of the television series: Nature.
Program content: ©2019.
Widescreen (16x9).
Special features: Otters and orcas : an Alaskan mystery --Bob Paine tribute --Jim Estes portrait --John Terborgh portrait --Mary Power portrait --Tony Sinclair portrait.
Music composer, Ty Unwin.
Narrator, Campbell Scott ; commentator, Bob Paine, Matthiesen McCrae, Jim Estes, Jaime Excell, John Terborgh, Jonathan Newport, Mary Power, Ashlyn Lopez, Samantha Nugent, Tony Sinclair, Greg Kriek.
Travel back in time, from the Arctic Ocean to Pacific tide pools, with a pioneering group of scientists who make surprising discoveries that transform human understanding of nature and ecology.
E.
DVD; NTSC, Region 1; widescreen presentation; 5.1 surround.
For private home use only.
English dialogue; English subtitles.
Closed-captioned for the hearing impaired.
Described video for the blind and visually impaired.
1.Biological control systems.2.Biology--Research--Tanzania--Serengeti National Park--Anecdotes.3.Biotic communities.4.Ecology--Tanzania--Serengeti National Park.5.Life (Biology)6.Nature--Effect of human beings on.Dynamic Details