Full lesson: https://lms.childrenscience.ru/course...
Course: http://childrenscience.ru/courses/kot
Earth's history spans 4.5 billion years! In this lesson, we'll learn: when life originated, which organisms were the first to emerge on land, whether mammals lived during the age of dinosaurs, and which animals have existed on Earth for many millions of years, with virtually no changes in their structure or appearance.
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The project is being implemented with a grant from the President of the Russian Federation for the development of civil
society, provided by the Presidential Grants Fund.
Age rating: 12+