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11 Cards in this Set
- Front
- Back
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Level of Organization
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tissue --> organ --> organ system
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Radical symmetry
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animals have circular body, with central axis.
Ex: sea anonome - lack a head. |
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Bilateral Symmetry
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one cut through the midpoint gives two mirror image halves, a right side and left side.
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Body: Sac
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mouth is use for transporting nutrients and wastes
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Body: Tube within Tube
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animal has mouth an anus, digestion occurs along digestive canal
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segmentation
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division of animal body along its length into series of repeated parts called segment.
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Annelids
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Members: segmented worms, clam worms, tube worms (ocean-living), and leeches.
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Arthropods
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Members: crayfish
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Echinodermata
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Members: seastar
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Sponges
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in own lineage
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Kingdom Animalia
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- eukaryotic
- multicellular - no cell walls (unique characteristic of animalia) - gametes (female-egg; male-sperm) -heterotrophic (seek food -grazers, herbivores, carniovres, etc) - Movement - muscles |
