Simple Invertebrates Flashcards
an animal phylum comprising the sponges.
Porifera
any invertebrate animal, hydra, jellyfish, sea anemone belonging to the phylum Cnidaria, characterized by the specialized stinging structures .
Cnidaria
Phylum includes earth worms and their relatives
Annelida
eader in advanced marine robotics specifically, Autonomous Underwater Vehicles
Hydroid
free-swimming jellylike bell- or saucer-shaped body that is typically transparent and has stinging tentacles around the edge.
Jellyfish
phylum of flatworms having a flat, bilaterally symmetric body and no body cavity including the tapeworms and flukes
Platyhelminthes
phylum of worms including species parasitic in humans and plants as well as free-living nonparasitic species in soil or water.
Nematoda
small nematode worm that is an internal parasite of vertebrates.
Pinworms
a parasitic flatworm, the adult of which lives in the intestine of humans and other vertebrates.
Tapeworms
aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams,
Bivalves
active predatory mollusk of the large class Cephalopoda, such as an octopus or squid.
Cephalopods
mollusk of the large class Gastropoda, such as a snail, slug, or whelk.
Gastropds
Any animal that possesses a coelom
Coelomate
invertebrate lacking a coelom
Acoelmate
arrangement of parts of an organism around a single main axis
Radial Symmetry
being divisible into symmetrical halves on either side of a unique plane.
Bilateral Symmetry
slender flexible limb or appendage in an animal, especially around the mouth of an invertebrate, used for grasping, moving about, or bearing sense organs.
Tentacle
An explosive cell containing one giant secretory organelle
Cnidocyte
outermost layer of cells or tissue of an embryo in early development,
Ectoderm
innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.
Endoderm
female reproductive organ in which ova or eggs are produced,
Ovary
organ that produces male reproductive cells
Teste
