Web22 nov. 2024 · The Basics. The sea anemone is a sessile marine predator of the order Actiniaria. They are named after a terrestrial flower due to their radially symmetric appearance and many tentacles. Most species appear as a single polyp attached to a hard surface such as a rocky or coral reef. There are 45 or more families of sea anemones … Web8 okt. 2009 · Sea stars are actually part of the phylum Echinoderm and are related to sea urchins, brittle stars and sea cucumbers – they are not fish at all! Fish are vertebrates; …
All About Starfish - Smithsonian Science Education Center
Web3.1.1 Explain why shark fossils that have been discovered are limited to denticles and teeth. (2) 3.1.2 Turtles and snakes are examples of organisms that returned to the ocean as part of their evolutionary history. (a) (b) State possible reasons why these organisms returned to the ocean. Web19 sep. 2024 · Echinoderms. Echinoderms are recognizable by their (usually five-point) radial symmetry, and include such well-known animals as sea stars (commonly called … small christmas decorating ideas
Sea Stars - aquaticcommunity.com
WebBrittle stars live in areas from the low-tide level downwards. Shallow species live among sponges, stones, or coral, or under the sand or mud, with only its arms protruding.Deep-water species tend to live in or on the sea floor or adhere to coral or an urchin.. The main parasite to enter the digestive tract or genitals are Protozoa. Crustaceans, nematodes, … WebAnswer: When I got to this thread there were 6 correct but collapsed answers - apparently Quora doesn’t value concision. So, to reiterate everyone else - The answer is that a sea … WebAnswer: A pedicellaria is a small claw-shaped appendage with movable jaws, called valves, commonly found on echinoderms (phylum Echinodermata), particularly in sea stars (class Asteroidea) and sea urchins (class Echinoidea). There are two major types of pedicellaria in sea stars: straight and crossed. something different wholesale ltd