Sea Urchin Test
Dec. 24, 2024
Anders Hallan on Instagram: "The internal skeleton of a sea urchin is called a test. This is the part that is found beneath the spines. Like in sea shells, tests consist of File:Sea Urchin test 5629 03 22.jpg - Wikipedia Closeup Purple Sea Urchin Test Stock Photo 243322267 | Shutterstock Sea Urchin Test