Question

Which group of organisms is believed to be above the earliest to evolve on the earth?

Answer 1

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Origin of life takes place in water.

✓ We are told that the first organisms that invaded land where plants.

✓ The animals called lobefins evolve into the first amphibians that live on both land and water.

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Answer 2

Answer:

Explanation:

The first organism:

• The first life form was created by the chemosynthesis of self-replicating proteins and nucleic acids, followed by the aggregation of proteins around the nucleic acid.
• The earliest life forms were nucleoproteins that lacked chlorophyll, making them non-green.
• They were also known as protovirus, eobionts, or protocells.
• The first life forms on earth obtained their carbon from the organic molecules (which were created by the polymerization and condensation of simple gases in the sea).
• Organisms known as chemotrophs use the oxidation of electron donors to produce energy.
• They can be either organic (chemoorganotrophs) or inorganic molecules (chemolithotrophs).
• The first life forms were chemoheterotrophs because they derived their carbon and energy from organic compounds.
• Only anaerobic fermentation of organic compounds was able to release energy in the absence of molecular oxygen; this is why the first life forms were anaerobic.

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