Sea sponges were the first animals on Earth scientists discover

Posted on:26 Feb 2016 11:39:50
Sea sponges were the first animals on Earth scientists discover
26 February 2016 Current Affairs: The first animal to appear on Earth was probably the humble sea sponge, American scientists believe. According to researchers at the world-famous Massachusetts Institute of Technology (MIT), sea sponges pre-date the Cambrian explosion, an evolutionary period that began around 540 million years ago, during which a large number of new animals appeared.The MIT team made the discovery by analysing molecular fossils - trace amounts of molecules found in ancient rocks that survive to this day.
The first animal to appear on Earth was probably the humble sea sponge, American scientists believe. According to researchers at the world-famous Massachusetts Institute of Technology (MIT), sea sponges pre-date the Cambrian explosion, an evolutionary period that began around 540 million years ago, during which a large number of new animals appeared.The MIT team made the discovery by analysing molecular fossils - trace amounts of molecules found in ancient rocks that survive to this day.

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