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26 Cards in this Set
- Front
- Back
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Example of Echinodermata
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Sea lilies, sea stars, sea cucumbers, sand dollars
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Echinodermata Symmetry
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Larvae bilateral symmetry
Adults radial symmetry with 5 part body plan |
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Echinodermata Body
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True Coelom
Tissue and organs present Protostomes and deuterostomes |
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Echinodermata Support
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Endoskeleton
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Echinodermata Respiration, Excretion, and Circulation
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Skin gills
Open circulatory system |
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Echinodermata Reproduction
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Asexual and sexual
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Characteristics of Animals
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Heterotrophic
Multicellular Lack cell walls |
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Asymmetrical
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Irregular in shape
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Radial Symmetry
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Body arranged around central axis
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Bilateral Symmetry
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Distinct right and left halves
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Cephalization
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Bilateral symmetry
Anterior concentration of sensory structures and nerves (head) |
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Animal Bodies
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Segmented
Specialized cells Blastopore formation |
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Blastula Formation
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Ectoderm, endoderm, mesoderm
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Animal Body Cavity
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Acoelomates
Pseudocoelomates Coelomates |
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Acoelomates
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No body cavity
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Pseudocoelomates
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Body cavity between mesoderm and endoderm
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Coelomates
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True coelom
Body cavity within mesoderm |
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Protostomes
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Blastopore froms mouth first
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Deuterostomes
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Blastopore forms anus first and mouth second
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Digestion
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Cellular, gastrovascular cavity or gut
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Respiration and Circulation
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Gills or lungs
Open or closed circulation |
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Exretion
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Cellular metabolism, gills, kidneys
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Support
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Hydrostatic skelteon
Endoskelteon Exoskeleton |
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Asexual Reproduction
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Does not involve fusion of gametes
Fragementation |
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Sexual Reproduction
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Union of male and female gametes
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Hermaphrodites
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Sexual reproduction
Having both sexes |
