shreya gheewala

shreya gheewala

shreya gheewala
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This Egyptian starfish belongs to the echinoderms, a group of invertebrates that includes sea stars, sea lilies, brittle stars, and many other groups.

Do You Know These 10 Basic Invertebrate Facts?

Invertebrates are animals that do not have a backbone or a bony skeleton.

The vast majority of animals on earth are invertebrate animals that lack backbones and internal skeletons.


In this slideshow, you'll discover the six main animal groups, ranging from the simplest (invertebrates) to the most complex (mammals).