"Sea urchin "refers to sea urchin, which is a marine organism belonging to Echinoderm. The following will introduce the detailed meaning, characteristics, ecology and uses of "sea urchin".

overview

"Sea urchin "is a spherical marine life, which is usually distributed in various sea areas around the world, especially in temperate and tropical waters. Its body surface is covered with many sharp thorns, which can defend against natural enemies and prey on small plankton. "Sea urchin" has different shapes and sizes. Generally, it is 1-1 cm long and can be red, purple, yellow, black and other colors.

Features

The body of "Sea urchin" consists of mouth, anus, perioral skin plate, viscera, exoskeleton and spines. Its mouth is located at the bottom, usually with five mouth arms, and each mouth arm has many suction cups and tentacles. The anus is located at the top and can excrete waste and germ cells. The thorn of "Sea urchin" is composed of bone and keratin, which can be used to defend natural enemies and move. Its exoskeleton is composed of many small bone plates, which can protect internal organs and provide support.

ecology

"Sea urchin "usually inhabits rocks, corals, seaweed, beaches and other places on the seabed, and is an important species in the marine ecosystem. It mainly feeds on small plankton and algae, which plays an important role in the stability and balance of marine ecosystem. At the same time, "Sea urchin" is also the natural enemy of many marine life, such as starfish and seabirds.

uses

"Sea urchin "also has many uses in human life. Its fleshy part can be used as a high-protein and low-fat food, which is widely used in Japanese and Korean cuisines. In addition, the spines and exoskeletons of "Sea urchin" can also be used to make marine-themed decorations, ornaments and handicrafts.