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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.

2 Answers

0 votes
what was the right answer? i got the same question
answered
User Filipe Pina
by
9.3k points
3 votes
Protists
Bacteria
land plants
amphibians
mammals
answered
User Halpsb
by
7.9k points
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