School of Life Sciences | Ask A Biologist

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Purple sea urchin eggs

Purple sea urchin eggs

Micro World Wallpaper

This is none other than an animal egg after fertilization. The outer circle area is called the vitellien layer. Just what animal would be born from this egg? Well that was a bit harder to know. This is the egg from a Strongylocentrotus purpuratus or better known as purple sea urchin.

ant, photo by Alex Wild

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ant, photo by Alex Wild

It's like having your own microscope! Visit our Zoom Gallery to explore and have fun zooming in and moving around each image.

Share to Google Classroom

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 Volunteer page to get the process started.