Sea Urchin

show/hide words to know

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

 

 

 

 

 

View Citation

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): Dr. Biology
  • Publisher: Arizona State University School of Life Sciences Ask A Biologist
  • Site name: ASU - Ask A Biologist
  • Date published: December 23, 2009
  • Date accessed: October 21, 2018
  • Link: https://askabiologist.asu.edu/sea-urchin-eggs

APA Style

Dr. Biology. (2009, December 23). Sea Urchin Development - Eggs and Beyond. ASU - Ask A Biologist. Retrieved October 21, 2018 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

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

MLA 2017 Style

Dr. Biology. "Sea Urchin Development - Eggs and Beyond". ASU - Ask A Biologist. 23 Dec 2009. ASU - Ask A Biologist, Web. 21 Oct 2018. 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.

Be Part of
Ask A Biologist

By volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteers page to get the process started.

Donate icon  Contribute

Share this page:

 

Share to Google Classroom