Kingdom Animalia

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Kingdom Animalia
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Embryonic development
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Types of Symmetry
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Phylum PoriferaPore Bearers
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Symmetry Asymetrical
Reproduction Asexual budding/fragmentation Sexual hermaphrodites
Evolutionary Milestone multicellularity
Circulatory System Diffusion
Unique Characteristic sessile regeneration
Importance Food chain Absorbent qualities
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CnidariaStinging Creatures
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Symmetry Radial
Reproduction Asexual budding Sexual hermaphrodites
Evolutionary Milestone Tissues (no organs)
Circulatory System Diffusion
Unique Characteristic Stinging cells cnidocytes Tentacles
Importance Edible Protect shorelines Habitat for others
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Coelm body cavityFluid filled space in
multicellular animals

• Coelomate animals true cavity with a complete
  lining called peritoneum derived from mesoderm
• Pseudocoelomate animals have a pseudocoel
• false cavity
• tissue derived from mesoderm only partly lines
  the fluid filled body cavity of these animals.
• All pseudocoelomates are protosomes
• Acoelomate animals, like flatworms, have no body
  cavity at all. Organs have direct contact with
  the epithelium.

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PlatyhelminthesFlat worms
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Symmetry Bilateral
Reproduction Asexual Sexual some are hermaphrodites
Evolutionary Milestone Cephalization bilateral symmetry
Circulatory System Diffusion
Unique Characteristic acoeloms
Importance Cause diseases (if wade in water larvae bore thru skin to blood vessels)
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NematodaRound Worms
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Symmetry Bilateral
Reproduction Sexual
Evolutionary Milestone False Body cavity Pseudocoelm
Circulatory System Open fluids circulate within body cavity
Unique Characteristic Tube within a tube
Importance Cause diseases parasitic
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Circulatory System
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Mollusca
The Mollusks
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Symmetry Bilateral
Reproduction Sexual Snails hermaphrodites
Evolutionary Milestone Coelom true body cavity
Circulatory System Open 3 chambered hearts Closed octopus and squid
Unique Characteristic Radula Mantle
Importance Food chain edible pearls
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Toothlike scraping device
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AnnelidaSegmented Worms
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Symmetry Bilateral
Reproduction Hermaphrodites
Evolutionary Milestone Segmentation
Circulatory System Closed
Unique Characteristic Ganglion primitive brain Organ systems
Importance Medicinal purposes Fertilize soil and creates air spaces
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ArthropodaBUGS
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Symmetry Bilateral
Reproduction Sexual asexual
Evolutionary Milestone Jointed appendages
Circulatory System Closed
Unique Characteristic Jointed appendages Exoskeleton
Importance Food Causes disease or transmits Food chain pollinators
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Echinodermataspiny skinned
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Symmetry Larvae bilateral Adults radial
Reproduction Sex gonads
Evolutionary Milestone Deuterostome (Pattern of embryonic dev. Where anus forms _at_ the blastopore)
Circulatory System Closed
Unique Characteristic Tube feeders Regenerate arms
Importance Food chain