https://padlet.com/464741/p4mvywle1cmb Made with a creative frenzy en-us 2017-05-09 17:39:41 UTC 2025-10-04 13:19:34 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Growing.png 464741 https://padlet.com/464741/p4mvywle1cmb/wish/170838215 Bacteria often attach to surfaces and form dense aggregations in bacterial mats called biofilms. These biofilms can range from a few micrometres in thickness to up to half a metre in depth, and may contain multiple species of bacteria, protists and archaea]]> 2017-05-09 17:42:31 UTC https://padlet.com/464741/p4mvywle1cmb/wish/170838215