n. shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
He saw a sea urchin in the water.
He saw a sea urchin in the water.
Hear it
What weapon does a sea urchin have?
Hear it
What does the black sea urchin get from its partner, the coral-reef crab?
Hear it
echinoderm; marine invertebrates; shallow-waterechinoderm
bird
1 syllables
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!
Try it! FREE!