What is a starfish?
starfish or sea stars are echinodermy in the class of Asteroidea, characterized by their distinctive bodies that look more like stars. Despite what the known name suggests, they are not . Many people have a soft place for starfish, because of their unusual shape and a bright range of colors in which these sea creatures come. They are also popular in humans because they are easy to see and observe, prefer the intertidal zone near the coast. People who want to see these creatures personally can visit an influx near the ocean that should bring a wide range. They come in a number of colors, shapes and sizes and eat a wide range of marine life. These creatures are also popular food sources for many sea animals also some people.
The physical structure of the starfish is quite interesting. They show radial symmetry, which means they are symmetrical around the central axis rather than bilateralialSymmetry, a form of biological symmetry, which may be more known to most people, given that many organisms, including humans, are bilaterally symmetrical and have two different halves. Starfish are also able to regenerate the shoulders that have broken down, and in some cases they can generate the new one from the cut off. Some species use this feature as defensive tactics and at risk of arms.
The starfish body is covered with flexible trademarks. Anyone who has ever touched one may have noticed that the animals feel slightly. The lower part is covered with small tracks of tubes that animals use for movement and hunting. Tube legs also help star star to stick to the rock, and a unhappy way to protect animals from predators.
It wasn't enough, the starfish has several tricks on the sleeve. These animals are able to take over their stomachs, which means they can literally turn stomachs in to wrap them around the prey. This biological adaptation allows them to eat an animalThe much larger than them and some people consider it quite fascinating to watch.
star species ranging from approximately 0.5 inches (just over 1 centimeter) to 3 feet (1 meter) in diameter and can have between five and 25 arms. Because they are so well -known sea creatures, they are commonly exposed in aquariums and touch pools, in favor of those who cannot get into the ocean.