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phylum & classes

Marine Biology phylum and classes volcabulary test review

QuestionAnswer
invertebrates with nematocysts and radial symmetry cnidaria
a phylum containing sponges porifera
animals without a backbone invertebrate
a skeleton that forms the external surface of an animal exoskeleton
a type of asexual reproduction by which a separate, new individual is produced from a small outgrowth budding
the bell-shaped, free-swimming stage of cnidarians medusa
invertebrates with a soft, unsegmented body, a muscular foot, and with some exceptions, a calcareous shell mollusca
not having any symmetry asymmetrical
the cylindrical typically attached stage of cnidarians polyp
invertebrates with five-way radial symmetry and a water vascular system echinodermata
the arangement of body parts in such a way that there are only two identical halves, with different anterior and posterior ends and dorsal and ventral surfaces bilateral symmetry
the stinging structure of cnidarians nematocyst
the regular arrangement of similar body parts around a central axis radial symmetry
a network of water filled canals in echinoderms used in location and food-gathering water vascular system
invertebrates that display an elongate body with distinct segmentation and a digestive tract that lies in a coelom annelida
invertebrates that have jointed appendages and a chitinous, segmented exoskeleton arthropoda
the outer layer of tissue that secretes the shell of molluscs mantle
they are an animal that live in close association with other animals and feed on their tissues, blood, or intestinal contents parasites
octopuses, squids, and other molluscs that possess a foot modified into arms that surround the head cephalopoda
clams, mussels, and other molluscs that possess a two-year valved shell, filtering gills and a shovel-like foot bivalvia
snails and other molluscs that typically possess a coiled dorsal shell and a ventral creeping foot gastropoda
fishes with a skeleton made mostly of bone; they also have opercula and fin rays. bony fish
fishes with a skeleton made of cartilage: sharks, rays, skates, and ratfishes cartilaginous fish
invertebrates that have joined appendages and a segmented skeleton arthropoda
a phylum of invertebrates that comprises of flatworms platyhelminthes
Created by: sandlover3
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