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The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. The similarities among all known present-day species ...
Life on Earth has existed for at least 3.5 billion years, with the oldest physical traces of life dating back 3.7 billion years. Estimates from molecular clocks, as summarized in the TimeTree public database, place the origin of life around 4.0 billion years ago.
19 set 2022 · When did life on Earth begin? Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 billion years old.
- Filming Techniques
- Gorilla Encounter
- Critical and Commercial Reception
- 1997 Revision
- DVD, Blu-ray and Book
- Music
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Several special filming techniques were devised to obtain some of the footage of rare and elusive animals. One cameraman spent hundreds of hours waiting for the fleeting moment when a Darwin's frog, which incubates its young in its mouth, finally spat them out. Another built a replica of a mole rat burrow in a horizontally mounted wheel, so that as...
The best remembered sequence occurs in the twelfth episode, when Attenborough encounters a group of mountain gorillas in Dian Fossey's sanctuary in Rwanda. The primates had become used to humans through years of being studied by researchers. Attenborough originally intended merely to get close enough to narrate a piece about the apes' use of the op...
The series attracted a weighted average of 15 million viewers in the UK, an exceptionally high figure for a BBC documentary back in the late 1970s. It was also a major international success, being sold to over 100 territories and watched by an estimated audience of 500 million people worldwide. However, Life on Earth did not generate the same reven...
A shortened series, using the footage and commentary from the original, was aired in 1997, edited down to three episodes: early life forms, plants, insects, and amphibians in the first; fish, birds and reptiles in the second; and mammals in the third.
The series is available in the UK for Regions 2 and 4 as a four-disc DVD set (BBCDVD1233, released 1 September 2003) and as part of The Life Collection.In 2012 the series was released as a four-disc Blu-rayset (released 12 November 2012). A hardback book, Life on Earth by David Attenborough, was published in 1979 and became a worldwide bestseller. ...
Edward Williams' avant-garde score matched the innovative production techniques of the television series. Williams used a traditional chamber music ensemble of (harp, flute, clarinet, strings and percussion) combined with electronic sounds. The pieces were crafted scene-by-scene to synchronise with and complement the imagery on screen: in one seque...
Life on Earth at BBC OnlineLife on Earth at IMDbLife on Earth on the Edenwebsite- 16 January –, 10 April 1979
- BBC Two
Life on Earth. timeline of life on Earth. Over hundreds of millions of years, life spread through the seas and over Earth's surface. The first life-forms were small and simple. Later forms were more complicated and diverse. (more)
The evidence is overwhelming that all life on Earth has evolved from common ancestors in an unbroken chain since its origin. Darwin’s principle of evolution is summarized by the following facts. All life tends to increase: more organisms are conceived, born, hatched, germinated from seed , sprouted from spores, or produced by cell division ...
8 mar 2024 · How did life on Earth begin? Here are 3 popular theories. For millions of years, Earth was a hot and rocky planet. Scientists have some hypotheses on how life emerged amid such...
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