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13 June, 08:22

Mammals

Amphibians

Land Plants

Bacteria

Protists

Question:

Place the above organisms in order of when they first appeared on Earth. Describe two (2) of the methods used by scientists to arrive at this conclusion.

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Answers (2)
  1. 13 June, 09:35
    0
    Protists

    Bacteria

    land plants

    amphibians

    mammals
  2. 13 June, 10:55
    0
    What was the right answer? i got the same question
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