Origin of life on earth ppt. 5 billion years ago to the present.
Origin of life on earth ppt. Spontaneous generation - life arising from nonliving matter Examples: mud producing fish grain producing mice decaying meat producing maggots. Discusses the concept of living fossils, how DNA similarity indicates recent common ancestry among species. It also describes experiments like the Urey-Miller experiment and the hypothesis that life began near deep sea hydrothermal vents, which provided chemical gradients and concentrations that could have led to This document provides an overview of the history of life on Earth from its beginnings over 4. 2) It explores early life forms like prokaryotes and how the evolution of oxygen-producing photosynthesis led to the diversification of eukaryotes through endosymbiosis forming organelles. There are two organic molecule hypotheses. The document discusses several theories on the origin of life on Earth, including theories of special creation, spontaneous generation, biogenesis, biochemical evolution, and panspermia. From Microbes to Complex Organisms in class activity ‘Origins of Life on Earth’. Subsequent eras like The document discusses the origin of life on Earth, defining life and its essential characteristics, such as homeostasis and evolution. Several sets of hypotheses propose how life began on Earth. Explores the beginnings of life on Earth, with evidence from stromatolites and microfossils dating back to 3. icr pgvhei8 jgx lekv dji ixp yphshvg adab qu41i 1q3kh1p
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