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Sea Sponge Could be the first animal on the earth

but research by MIT say that the sea sponges can be named ¨the fist animal in the earth¨

fisfirst they think that the comb Jelly was the firts animal of recent geneticgt

they found a molecule in rocks with 640 million years old

the cambrian explosion was 540 million years ago

this molecule is produced by Sponges

so, they can think that 100 years before of the cambrian period had Sponges

this molecule is the 24-isopropylcholesterol

they research wich animals can produce this molecule

this protein is the SMT gene

the animal that can produce this gene are the

algae

sea sponges

they found that the sponges produces this molecule before that algae

this confirms that sponges are the firs animal on the earth