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Porifera & Cnidaria
Science quiz - Porifera & Cnidaria
Question | Answer |
---|---|
have a body of proglottids and a scolex | Platyhelminthes |
partial digestion in a gastrovascular cavity | Platyhelminthes & Nematoda |
have bilateral symmetry | Platyhelminthes |
have 2 body forms, polyp and medusa | Cnidaria |
hydra, coral | Cnidaria |
the simplest of all multicellular animals | Porifera |
digestive system with 2 openings: the mouth and anus | Nematoda |
have internal skeletons of spicules and sponging fibers | Porifera |
body covered with a protective cuticle | Platyhelminthes, Nematoda |
have flagellated collar cells with a mucus collar to trap food | Proifera |
you should wear shoes to prevent these worms from entering your body | Nematoda |
have tentacles with stinging cells (nematocysts) | cnidaria |
has been called a "worm within a worm" | Nematoda |
have radial symmetry | Cnidaria |
lack true tissues | Porifera |
have a body wall of 2 cell layers penetrated by numerous pores | Porifera |
jellyfish, sea anemones, Portuguese-man-o-war | Cnidaria |
planarians, flukes and tapeworms | Platyhelminthes |
have light sensitive eyespots | Platyhelminthes |
heartworms, Trichinella, and pinworms, hookworm | Nematoda |
worms that cause your legs to reach the size of elephant's legs | Nematoda |
excretory system is a series of tubules and flame cells | Platyhelminthes |
worms that crawl across your eye | Nematoda |
have a circulatory system, respiratory system and a well developed brain | None of these |
Porifera | Sponges |
Cnidaria | Jellyfish |
Nematoda | Worms |