Poriferans (4facts) by HALEY WILLIAMS https://padlet.com/220529/o1mtwvhlsn11 Made with the best of intentions en-us 2017-04-03 17:15:58 UTC 2023-10-22 21:33:17 UTC hello@padlet.com Raven💖 220449 https://padlet.com/220529/o1mtwvhlsn11/wish/164418034 2017-04-03 17:24:22 UTC https://padlet.com/220529/o1mtwvhlsn11/wish/164418034 The oldest fossils on the planet are of sponges about 600 million years old. 220529 https://padlet.com/220529/o1mtwvhlsn11/wish/164418269 2017-04-03 17:25:00 UTC https://padlet.com/220529/o1mtwvhlsn11/wish/164418269 220529 https://padlet.com/220529/o1mtwvhlsn11/wish/164418816 2017-04-03 17:26:27 UTC https://padlet.com/220529/o1mtwvhlsn11/wish/164418816