October 2023 2 6 Report
Answer True (T) or False (F) according to the information in the reading.
If the sentence is false, correct it to make it true.
• The environment in the Pre-Cambrian Era had oxygen
at the beginning.
• The first living things that appeared were cyanobacteria.
• Amphibians appeared before fish.
• Plants first emerged in water.
• The first fish appeared during the Devonian period

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