Sea urchin stings are immediately painful. They often leave puncture wounds on the skin, which can easily become infected if not treated immediately. The stung area may become red and swollen. If the skin is punctured (which is common), the puncture site is often a blue-black bruised color. How manyRead More →
Sea urchins will eat just about anything that floats by. Its sharp teeth can scrape algae off rocks, and grind up plankton, kelp, periwinkles, and sometimes even barnacles and mussels. Sea urchins are sought out as food by birds, sea stars, cod, lobsters, and foxes. Do any fish eat Chaeto?Read More →
The job of getting oxygen into the body and removing waste gases such as carbon dioxide, is carried out by the tube-feet. … For sea urchins living bathed in surface currents gaseous exchange is relatively efficient, even with standard cylindrical-walled tube-feet. What does carbon dioxide do to urchins? (Phys.org) —IncreasingRead More →
General Description. Sea urchins are sea creatures that live in oceans all over the world. Similar to sea stars, sea urchins have a water vascular system. Their spherical shape is typically small, ranging from about 3 cm to 10 cm in diameter, and their bodies are covered with a spinyRead More →
“Sea urchins don’t look any more like humans than fruit flies, but about 70 percent of sea urchin genes have a human counterpart whereas only about 40 percent of fruit fly genes do.” How much cytosine is in a sea urchin? QUESTION 9 – Easy Choice A is the bestRead More →
Can sea urchins kill fish? … People, including many marine biologists, tend to be surprised to hear this.in general they eat “algae” but will go after other things including fish. An urchin “catching” a healthy fish is highly unlikely. What predators eat sea urchin? Sea urchins are sought out asRead More →
Yes. Sea urchins have two types of venomous organs – spines and pedicellaria. Spines produce puncture wounds. Contact with sea urchin spines and their venom may trigger a serious inflammatory reaction and can lead to. What color sea urchins are poisonous? The next line of defense is the tiny stingingRead More →