Term
Parazoa(Clade)
Phylum Porifera |
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Definition
Reproduce sexually & asexually
Most sponges are hemaphodites
Collar cells make up inner lining of sponge
Create h2o current that brings in food & o2 & carries away waste
Waste passes out of the osculum
Assymetrical |
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Term
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Definition
Class Parazoa
Phylum Porifera
Calcium carbonate spicules
ex: scypha or coral |
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Term
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Definition
Class Parazoa
Phylum Porifera
Fiber instead of spicules
ex: bath sponge |
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Term
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Definition
Class Parazoa
Phylum Porifera
Silicon spicules
ex: venus flower basket |
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Term
Radiata(Clade)
Phylum Cnidaria |
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Definition
1st radial symmetry
Gastrovascular cavity w/ only 1 opening where extracellular digestion occurs
Stinging hematocyst- inject a toxin & can cause paralysis to catch prey
May alternate medusa form w/ polyp form |
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Term
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Definition
Radiata
Phylum Cnidaria
Box jellyfish |
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Term
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Definition
Radiata
Phylum Cnidaria
True jellyfish |
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Term
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Definition
Radiata
Phylum Cnidaria
Hydra & Portugese Man of War |
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Term
| Characteristics of All Animals |
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Definition
1. Multicellular
2. Heterotrophs
3. Specialized Cells
4. Diverse Body Plans
5. Capable of Location
6. Nerves & Muscles respind to stimuli
7. Reproduce Sexually
8. Embryonic Development |
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Term
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Definition
Offer most advantages
Buoyancy Of h2o provides support
Large volumes of water provides stable temperature
Plenty of food
1 disadvantage:
always currents moving
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Term
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Definition
Disadvantages:
Hypotonic to the tissue fluids in animals
Variations in oxygen content, temp, & turbity
Less food |
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Term
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Definition
Requires Major Adaptations
Disadvantages:
Dessication
-Gametes & developing offspring need protection
-Skeletal system & muscles for support
-Physiological mechanisms to maintain body temp |
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Term
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Definition
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Term
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Definition
Form of a wheel
Found in sponges & cnidarians
Sense food & predators from all directions |
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Term
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Definition
Most animals- divide animal in one plane to produce right & left halves
Cephalization: development of a head where sensory structures are found
Adaptation to movement |
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Term
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Definition
Space where internal organs can develop & function
Tube w/in a tube- the coelom separates the body wall from the digestive system |
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Term
| Early Development of Protostomes (Clade) |
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Definition
Spiral Cleavage
Determinate Cleavage
Blastophore develops into mouth |
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Term
| Early Development of Deuterostomes (Clade) |
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Definition
Radial Cleavage
Indeterminate Cleavage
Blastophore develops into anus |
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Term
Phylum Porifera
Class Calcarea |
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Definition
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Term
Phylum Porifera
Class Demospongia |
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Definition
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Term
Phylum Porifera
Class Hexactinellida |
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Definition
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Term
Phylum Platyhelminthes
Class Turbellaria |
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Definition
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Term
Phylum Molluska
Class Gastropoda |
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Definition
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Term
Phylum Molluska
Class Bivalvia |
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Definition
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Term
Phylum Molluska
Class Cephalopoda |
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Definition
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Term
Phylum Molluska
Class Cephalopoda |
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Definition
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Term
Phylum Molluska
Class Cephalopoda |
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Definition
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Term
Phylum Cnidaria
Class Cubazoa |
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Definition
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Term
Phylum Cnidaria
Class Scyphozoa |
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Definition
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Term
Phylum Cnidaria
Class Hydrozoa |
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Definition
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Term
Phylum Molluska
Class Polyplacophora |
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Definition
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Term
Phylum Annelida
Class Oligochaeta |
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Definition
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Term
Phylum Annelida
Class Polychaeta |
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Definition
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Term
Phylum Annelida
Class Hirudinida |
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Definition
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Term
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Definition
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