WebQuestion: Match the term or phrase with a sea star, brittle star, or both. deuterostome [Choose both brittle star sea star Echinodermata Asteroidea [Choose) Ophiuroidea … WebDigestion occurs within 10 pouches or infolds of the stomach, which are essentially ceca, but unlike in sea stars, almost never extend into the arms. The stomach wall contains glandular hepatic cells. Ophiuroids are generally scavengers or detritivores. Small organic particles are moved into the mouth by the tube feet.
Brittle Star - Anatomy - Digestion - LiquiSearch
WebAsteroids have a complete digestive system. The mouth leads to the cardiac stomach, which is what the sea star everts to digest its prey. The cardiac stomach leads to a … WebApr 18, 2024 · The class Gastropoda (meaning "stomach-foot") contains about 70% of the Molluscan species (around 35,000). These are the familiar snails, limpets, nudibranchs and abalones. The snails, limpets and abalones have a shell while the slugs and nudibranchs do not. There are a small number of land Gastropods such as some snails, slugs, etc. how many types of bats are there
Asteroidea (Sea Stars) Encyclopedia.com
Web-Carnivores; grabs prey with tentacles -Two body forms; Polyp & Medusa -sessile or planktonic Nerve net Controls the contraction and expansion of the gastrovascular cavity. The Nerve Net of Cnidarians lack clusters of neurons that perform specialized functions. Pg.1063 Diploblastic Two germ layers: Ectoderm & Endoderm Planktonic Drift & currents WebNov 10, 2024 · 10 Sneakiest Animal Attacks – 2024. by Ben Gazur. fact checked by Jamie Frater. In the evolutionary arms race between predators and prey a huge range of weapons and techniques have developed to give each side the edge it takes to survive. Many prey evolve ways to avoid the attention of their predators, but predators also find stealthy … WebRadial symmetry • Bilateral symmetry • Radial adults, bilateral larvae • Backbone in most members • Sessile in the adult stage • Osculum present • Incomplete dig. tract, at least in many if not all • Stinging tentacles • Everts stomach outside of body • Segmented body plan . Can survive extremely harsh conditions • Soft bodied and often Question: . how many types of bearded dragons are there