Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory.

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At the beginning of the 20th century, scientists offered the endosymbiotic theory, according to which all organelles (chloroplasts and mitochondria) resulted in an early endosymbiosis between cells. To support the same approach, the concept of microspheres was introduced, proving the creation of the first protocell out of proteinoids and water.

However, the order of things that occurred for life to exist should also touch upon such elements as RNA (more than 4 billion years ago, a simple RNA copied itself) and a cell (emerged as a result of evolutionary development about 3.8 billion years ago). Then, oxygen was produced about 2.8 billion years ago, and sexual reproduction was traced back to prokaryotes two billion years ago. Multicellular life forms emerged as single-cell organisms about 1.5 billion years ago.

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Academic.Tips. (2023) 'Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory'. 12 February.

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Academic.Tips. (2023, February 12). Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory. https://academic.tips/question/describe-the-order-of-events-that-scientists-currently-think-occurred-for-life-to-exist-on-the-planet-include-the-following-terms-multicellularity-sexual-reproduction-microspheres-oxygen-rna-ce/

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Academic.Tips. 2023. "Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory." February 12, 2023. https://academic.tips/question/describe-the-order-of-events-that-scientists-currently-think-occurred-for-life-to-exist-on-the-planet-include-the-following-terms-multicellularity-sexual-reproduction-microspheres-oxygen-rna-ce/.

1. Academic.Tips. "Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory." February 12, 2023. https://academic.tips/question/describe-the-order-of-events-that-scientists-currently-think-occurred-for-life-to-exist-on-the-planet-include-the-following-terms-multicellularity-sexual-reproduction-microspheres-oxygen-rna-ce/.

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Academic.Tips. "Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory." February 12, 2023. https://academic.tips/question/describe-the-order-of-events-that-scientists-currently-think-occurred-for-life-to-exist-on-the-planet-include-the-following-terms-multicellularity-sexual-reproduction-microspheres-oxygen-rna-ce/.

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"Describe the order of events that scientists currently think occurred for life to exist on the planet. Include the following terms: multicellularity, sexual reproduction, microspheres, oxygen, RNA, cell, and endosymbiotic theory." Academic.Tips, 12 Feb. 2023, academic.tips/question/describe-the-order-of-events-that-scientists-currently-think-occurred-for-life-to-exist-on-the-planet-include-the-following-terms-multicellularity-sexual-reproduction-microspheres-oxygen-rna-ce/.

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