Start studying Starfish Dissection. MERGE CANCEL. Start studying the starfish. Would you like to merge this question into it? They also eat algae to supplement their diet. No a starfish is not a bottom feeder, very often a starfish uses its tube feet to pry open oysters to drop its mouth into the mollusk. Find the perfect starfish mouth stock photo. rectal cecum Lateral duct of the terminal part of the digestive tract, where waste is stored before being expelled through the anus. Asked in Starfish That means that a 5-armed starfish has five eyespots, and a 40-armed starfish has 40! Learn vocabulary, terms, and more with flashcards, games, and other study tools. ring canal Circular canal in which filtered water enters through the madreporite and branches out into the radiated canals. It is a starfish between 25 and 30 cm in diameter when it is adult, even larger in some ocassions. SAVE CANCEL. Would you like to make it the primary and merge this question into it? It then eats all of the animal out of the shell. Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish.They crawl across the sea floor using their flexible arms for locomotion. Biology starfish 27 study guide by tammy_r_henry includes 12 questions covering vocabulary, terms and more. Some of the animals it eats are clams, mollusks, small fish and oysters. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Although they are commonly called starfish, these animals aren't fish, which is why they are more commonly referred to as sea stars. All starfish resemble stars, and though the most common have only five arms, some of these animals can grow up to 40 arms. anatomy of a starfish. About 1,500 species of starfish occur on the seabed in all the world's oceans, from the tropics to frigid polar waters. These eyespots are at the tip of each of the starfish's arms. Starfish (or sea stars) are beautiful marine animals found in a variety of colors, shapes, and sizes. Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea.Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. While it may not look like starfish have eyes, they do, although they're not like our eyes. No need to register, buy now! a starfish eating a piece of scallop. already exists as an alternate of this question. The starfish of this order have different colors, from pale brown to purple or violet, but the orange and yellow tones are the most typical. There are more than 2000 different species of starfish all over the world and these unique marine animals have diverse shapes, colours and come in a variety of sizes. Quizlet flashcards, activities and games help you improve your grades. previous. The ophiuroids generally have five long, slender, whip-like arms which may reach up to 60 cm (24 in) in length on the largest specimens. Marine scientists have undertaken the difficult task of replacing the beloved starfish’s common name with sea star because, well, the starfish is not a fish. BRUTAL FIGHT OF THE MANTIS AND SCORPION - VERSUS OF THE MANTIS - THE AGAMA ATE THE LOCUST! They do not have fins to swim nor do … It has rounded, with the ends curved upwards when the animal is active.. A starfish has eyespots that cannot see much in the way of details but can detect light and dark. The starfish's mouth is located on the center of the bottom part of the starfish and the anus is located on the center of the upper part of the starfish.