Pectinatella (Jelly Blob)
The majority of bryozoans are marine (several thousand species), but one class, the Phylactolaemata, is found exclusively in fresh water. Pectinatella magnifica, one species belonging to this class, is commonly found in freshwater lakes and rivers in North America. Most people call them “jelly blobs” or just plain “blobs” given their appearance. Each colony is a collection of genetically identical organisms (zooids) that exude a protective matrix, a gelatin-like substance made mostly of water, firm but slimy to the touch.
(Source: flickr.com, via keepingup-appearances)
sitting in the ethereal
Spiderwort Leaf
Spiderworts are plants belonging to the genus Tradescantia, herbaceous flowering plants that can be found growing in moist tropical to subtemperate habitats around the world. In the North American prairie states, many of these plants are known as “cow slobber” because of the gooey, stringy sap they produce. When stretched out, the sap can also resemble strands of a spider’s web, which probably gave rise to the “spiderwort” name.
(via mineralia)
. by absent minded | itsaso | on Flickr.
Sketch of a baby alligator from today’s class.
May 1st, 2012.
(via scientificillustration)