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35 Cards in this Set
- Front
- Back
- 3rd side (hint)
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not arranged in any particular order
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assymetry
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body parts are arranged around a central axis. like spokes on a bicycle wheel
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radial symmetry
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body is divided into left and right halves that are mirror images of each other.
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bilateral symmetry
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tissue organization for ana organsim that has an ectoderm and endoderm
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diploblastic
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tissue organization of an organism that contans ectoderm, mesoderm and endoderm
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triploblastic
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three body cavity possibilities for triploblastic organisms
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acoelomate,pseudocoelomate, coelomate
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animals such as flatworms which lack a body cavity
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acoelomate
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animals such as round worms have fluid filled body cavity, separating the gut from the body wall and only the body wall is lined with mesoderm.
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psuedocoelomate
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animals have body cavity where organs are suspended by mesentery membranes, and both of the organs are completely lined with mesoderm
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coelomate
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undergo spinal cleavage and develop so that the first opening in the embryo is the mouth
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protosomes
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undergo radial cleavage and develop the anus first, then the mouth at the other end of the embryo
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deuterostomes
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the phylum for sponge?
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porifera
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tissue organization for sponge?
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no tissue system
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mobility for sponge?
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sessile
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rod like structures that support the body of a sponge.
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spicules
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phylum for hydra
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cnidaria
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phylum for jellyfish
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cnidaria
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phylum for metridium
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cnidaria
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phylum for coral
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cnidaria
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cnidaria- tissue type; two different body forms; cavity type; symmetry;
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diploblastic; polyps(sessile) and medusa(mobile); acoelomate; radial symmetry
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polyp life form, locate mouth and tentacles
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hydra(underline)
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medusa life form
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jellyfish
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locate: oral disc, mouth, pharynx, gastrovascular cavity, pedal disc, temtacles
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metridium
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coral consits of what? what are radial ridges?
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calcium carbonate
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platyhelminths have what of the following?
symmetry, tissue type, body cavity, head development known as... |
bilateral, triploblastic, acoelomate, cephalization
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pluripotent stem cells; the only mitotically active cells in dugesia
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neoblasts
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what protects tapeworms from digestion?
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cuticle
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what phylum are dugesia"planria" and "flat worm."
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platyhelminths
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phylum nematoda have what of the following:symmetry, tissue type, cavity, and what genus are studied?
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bilateral, triploblastic, psuedocoelomate, round Trichinalla, ascaris and "vinegar eel"
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what is the sex morphology of trichinella?
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sexually dimorphic
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give the following for the phylum mollusca: symmetry, tissue type, body cavity and what froups where studied?
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bilateral, triploblastic, coelomate, gastropa, bivalvia and cephalapoda
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"squids, octopus cuttlefish," and nautilus all belong to what phylum and class?
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mollusca and cephalopoda
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identify the following for animals in phylum annelida: symmetry, tissue type, body cavity, and studied genus
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bilateral, triploblastic, coelomate, limbricus and leeches.
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genus: lumbricus and "leeches" are part of which phylum?
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annelida
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name the organism
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ascaris
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nematoda
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