Sea Urchin

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Fertilize: when a sperm and an egg join.

Sea Urchin Development from Eggs

This is a light microscope photograph of sea urchin eggs after they have been fertilized. You can see the eggs surrounded by a layer, called the jelly layer. The light dots are the sperm. The eggs look blue in color, because of the microscope light. 

urchin eggs



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You may need to edit author's name to meet the style formats, which are in most cases "Last name, First name."

Bibliographic details:

  • Article: Sea Urchin Development - Eggs and Beyond
  • Author(s): CJ Kazilek
  • Publisher: Arizona State University School of Life Sciences Ask A Biologist
  • Site name: ASU - Ask A Biologist
  • Date published: December 23, 2009
  • Date accessed: April 13, 2024
  • Link: https://askabiologist.asu.edu/sea-urchin-eggs

APA Style

CJ Kazilek. (2009, December 23). Sea Urchin Development - Eggs and Beyond. ASU - Ask A Biologist. Retrieved April 13, 2024 from https://askabiologist.asu.edu/sea-urchin-eggs

American Psychological Association. For more info, see http://owl.english.purdue.edu/owl/resource/560/10/

Chicago Manual of Style

CJ Kazilek. "Sea Urchin Development - Eggs and Beyond". ASU - Ask A Biologist. 23 December, 2009. https://askabiologist.asu.edu/sea-urchin-eggs

MLA 2017 Style

CJ Kazilek. "Sea Urchin Development - Eggs and Beyond". ASU - Ask A Biologist. 23 Dec 2009. ASU - Ask A Biologist, Web. 13 Apr 2024. https://askabiologist.asu.edu/sea-urchin-eggs

Modern Language Association, 7th Ed. For more info, see http://owl.english.purdue.edu/owl/resource/747/08/
Young sea urchins

These are baby purple sea urchins called juveniles. Adult Strongylocentrotus purpuratus grow as big as a human fist. Image courtesy of Nancy Mozingo.

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