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Fertilized Egg of a Purple Sea Urchin
Caption:
A light microscope image of a purple sea urchin (Strongylocentrotus purpuratus) egg after fertilization. The outer circle area is called the vitellien layer. Purple sea urchins may be found on rocky bottoms and grazing intertidal and subtidal waters. They feed primarily on algae and brown kelp.
Restrictions for use of this image:Arizona State University (ASU) has allowed the NSF to include this image in the NSF Image Library. ASU encourages the use of this image as well as other material from the ASU Ask a Biologist website. Distribution of this image is permitted under the following rules:
-Material is not used for commercial or for-profit purposes.
-Credit for the material is clearly displayed, including copyright and author.
-Modifications are not made to the original material.
-Ask a Biologist and/or individual authors retain the copyright for this image.
-The user agrees to record their use of the image (or other material) via the ASU Ask a Biologist permission form located at http://askabiologist.asu.edu/pages/permissions.html; or by contacting CJ Kazilek at kazilek@asu.edu.
(Preview Only)
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| Credit: |
Image by Dr. Douglas Chandler; courtesy Arizona State University's |
| Year of Image: |
1988 |
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Categories:
BIOLOGICAL / Ocean
OCEAN SCIENCE / General
Formats Available:
Restrictions:
See "Restrictions for Use," above.
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