10 Questions
Reproduction in echinoderms can involve both sexual and ______ reproduction
asexual
Sea stars belong to the phylum ______
Echinoderms
Echinoderms possess a unique hydraulic system called the water vascular ______
system
The basic body plan of a cnidarian is a sac with a central digestive compartment, the ______ cavity
gastrovascular
A single opening functions as both mouth and ______ in cnidarians
anus
Regeneration is a remarkable ability in sea stars where they can regrow lost ______
parts
Cnidarians have diversified into a wide range of both ______ and motile forms
sessile
Cnidarians use tentacles armed with ______, specialized cells for defense and capturing prey
cnidocytes
Nematocysts are specialized organelles within cnidocytes that eject a stinging ______
thread
There are two variations on the cnidarian body plan: the sessile polyp and the motile ______
medusa
Explore the characteristics of cubozoans and lophotrochozoans, focusing on highly toxic cnidocytes in cubozoans and the wide range of animal body forms in lophotrochozoans. Learn about the anthozoans class including corals and sea anemones.
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