|
The Purple Sea Urchin: Pretty, Purple, Protective ... The purple sea urchin lives in kelp forests, and has spikes for mobilization and protection from predators. They need protection from predators: spiny lobsters, sheep-head fish and sea otters. The sea urchins mouth is setup underneath its body in order for it to graze...
|
tolweb.org/treehouses/?treehouse_id=4879
|
|
|
|
A purple sea urchin’s pin cushion appearance comes from its round inner shell, called a “test.” The ... ... However, purple sea urchins' pincers can't defend against sunflower stars. If a sunflower star approaches, an urchin waves its spines and pincers and retreats. If the urchin doesn’t move away fast enough,
|
www.montereybayaquarium.org/animals/AnimalDetails.aspx?...
www.montereybayaquarium.org/animals/AnimalDetails.aspx?id=781774
|
|
|
Digital Morphology account of the purple sea urchin, Strongylocentrotus purpuratus, featuring CT-generated animations of the skeleton ... The purple sea urchin (Strongylocentrotus purpuratus) is found in the Pacific Ocean ranging from Alaska to Cedros Island in Baja California (Ricketts and Calvin, 1948;
|
digimorph.org/specimens/strongylocentrotus_purpuratus/
|
|
The sea urchin's name comes from the Old English word for spiny hedgehog. It looks like one because of its spines, which are used for protection. The purple sea urchin is about 4 inches across, with spines up to 1.5 inches.
|
library.thinkquest.org/J002608/urchin.html
library.thinkquest.org/J002608/urchin.html
|
|
Caribbean sea urchin, pencil urchin, Slate pencil urchin, purple sea urchin and sea potato ... A sea urchin's size is about 4 inches and they come in many different colors. The most common are purple and light pink.
|
library.thinkquest.org/J001418/urchin.html
library.thinkquest.org/J001418/urchin.html
|
|
|
|
Sea urchin - Wikipedia, the free encyclopedia
|
|
Sea urchins or urchins are small, spiny, globular animals that compose part of class Echinoidea. They are found in oceans all over the world. Their shell, or "test", is round and spiny, typically f...
en.wikipedia.org/wiki/Sea_urchin
|
|
The purple urchin lives in holes in rocks. They live in low tide zones from Alaska to Cedros Island, Mexico. They have short spines. ... I find the purple urchin very interesting, especially because of the way it looks. A purple urchin's body is 10 cm across. It's color is red to purple. It has short ... Purple Sea Urchins...
|
tlc.ousd.k12.ca.us/~acody/urchin.html
tlc.ousd.k12.ca.us/~acody/urchin.html
|
|
Need salinity above 30 ppt (Anderson 2001); 80–110% of full sea water (Durham, Wagner, and Abbott in Morriss et al. 1980) ... "(Purple sea urchins are...the subject of much research (Durham, Wagner, and Abbott in Morriss et al. 1980)." ... Photo of purple sea urchins...
|
hmsc.oregonstate.edu/projects/msap/PS/masterlist/invert...
hmsc.oregonstate.edu/projects/msap/PS/masterlist/inverts/purpleseaurchin.html
|
|
