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300 years ago
Nearly 1.5 billion years ago .
Wes Anderson
they are the last organisms to appear.
A type of amoeba.
During the Archaean Eon
No. Just number of chromosomes cannot indicate whether the organism is a plant or an animal.
primary succession
The answer is Salinty
Read your science book chapter . It is on the first page.
Multicellular organisms first appeared during the Vendian period.
Without knowing what the outside influence is, it's not known how it will change the appearance of an organism. There are many different influences which could possibly change the appearance of an organism, depending on what the organism is.