You are right.
Single cell critters look easy for nature. Multi-celled creatures (the Cambrian Explosion?) only came about 500Myr ago. After that, evolution really took off, relatively speaking.
Space/Science » in reply to rather: from multi cellular life to man
Single cell critters look easy for nature. Multi-celled creatures (the Cambrian Explosion?) only came about 500Myr ago. After that, evolution really took off, relatively speaking.