There are as many as 5000 kinds of bile fossils. Sea urchins have a delicate hard shell covered with many spiny things called spines. These thorns are active, and their function is to keep the shell clean, move and dig sand and soil. But sea urchins can't move themselves quickly. Besides thorns, sea urchins also have some pins protruding from holes in the shell. These pins have different functions, such as taking food and feeling the outside world. The shell of sea urchin is actually composed of 3000 small bone plates. Different species of sea urchins vary greatly in size, ranging from 5 mm to 30 cm. Sea urchins are spherical, heart-shaped and pie-shaped. They live in the oceans of the world, among which the Indian Ocean and the Western Pacific Ocean have the most species. From shallow water to 7000 meters deep water. They all inhabit the bottom of the water or mud. Different sea urchins eat different things. Some eat seaweed and other small animals, while others eat dirty things deposited on the seabed. This mainly depends on their environment, because they are not easy to move. Sea urchins can be divided into male and female, but it's hard to tell from the appearance. Their breeding process is very interesting and they like to get together. When one sea urchin lays eggs or releases * * *, other sea urchins will release eggs or * * * together as if they were infected.
Question 2: What do sea urchins eat? Most sea urchins feed on shellfish, abalone, sea urchins and crabs. Sometimes they eat some seaweed and fish. Their favorite food is sea urchin, but the shell of sea urchin is so hard that it can't be bitten by teeth. The sea otter came up with a clever idea: pick up the sea urchin underwater, put it in the pine bark under the forelimbs, and quickly float to the surface. Put a fist-sized stone picked up from the bottom of the sea as an anvil on your chest and hit it with the sea urchin of your forelimb. Once the shell is found broken, the sea otter will immediately suck out the fleshy part inside. When they are full, they will save the stones and use them again and again. This is much better than apes.
Question 3: What do sea urchins eat? Small jellyfish eat plankton, medium and large eat small fish, octopus such as shrimp eat shellfish, sea urchins such as crabs and fish eat seaweed, sea crabs eat animal carcasses or humus, and shrimps from eat small fish.
Question 4: Who ate first? Sea urchin? 1 sea urchin yellow 2 is eaten raw. Cut open the shell of the sea urchin, pick the yellow sea urchin and eat it directly in your mouth or dip it in seasoning. You can also make soup with fresh sea urchin yellow, stir-fry or steam eggs, make stuffing with sea urchin yellow, make wonton and make jiaozi. It must be fresh, pollution-free and edible. Pregnant women should not eat it often.
Question 5: What seafood did you eat in June? At that time, the sea was closed until September. Maybe not too much, but some of them are farmed. Now eat shellfish, you can try grilled clams, conch, sweet snail, starfish, squid and red head fish. Shrimp and crab are also quite fat now, but they will be fatter in a month. Haihong is good, too. Fresh jellyfish are as delicious as bean jelly.
Question 6: Seek the sea urchin base in Red Bay, and the place where sea urchins are eaten will shelter South Australia.
Question 7: What does the sun starfish eat? Starfish are carnivores. Its main prey are some slow-moving marine animals, such as shellfish, sea urchins, crabs and anemones. When it preys, it often adopts a slow and tortuous strategy, slowly approaches the prey, grabs the prey with the tube foot on its wrist, wraps it all over, and spits out the stomach bag from its mouth.