Kingdom Animalia

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Kingdom Animalia

• Eukaryotic, heterotrophic, multicellular, no cell
  walls
• ingestive nutrition

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Kingdom Animalia

• Define the major branches of the phylogeny by the
  evolution of the following traits
• Presence of tissues (Parazoa or Eumetazoa)
• Symmetry
• Body cavity
• Embryonic development
• segmentation

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Radial vs Bilateral Symmetry
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Figure 31.5 Body plans of the bilateria
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Figure 31.6 A comparison of early development in
protostomes and deuterostomes
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Figure 31.7 Segmentation
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Figure 31.3 A traditional view of animal
diversity based on body-plan grades
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Figure 31.9 Proposed molecular based tree of
animal phylogeny
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Figure 31.9 Proposed molecular based tree of
animal phylogeny
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Figure 31.9 Proposed molecular based tree of
animal phylogeny
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Phylum Porifera
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Phylum Cnidaria
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Phylum Platyhelminthes
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Phylum Nematoda
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Phylum Mollusca
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Phylum Annelida
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Phylum Arthropoda Class Arachnida
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Phylum Arthropoda Class Crustacea
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Phylum Arthropoda Class Insecta
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Phylum Echinodermata
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Figure 34.4 Chordate characteristics
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Figure 34.2 Chordate characteristics
Phylum Chordata
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Phylum Chordata

• Two Invertebrate Groups
• Urochordates
• Cephalochordates
• Subphylum Vertebrata

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Figure 34.5 Subphylum Urochordata a tunicate
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Figure 34.7 Subphylum Cephalochordata lancelet
anatomy
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Subphylum Vertebrata

• Vertebral column
• head

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Figure 34.11 Vertebrate Phylogeny
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A sea lamprey
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Cartilaginous fishes (class Chondrichthyes)
Great white shark (top left), silky shark (top
right), southern stingray (bottom left), blue
spotted stingray (bottom right)
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Class Osteichthyes The Bony Fish
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Class Amphibia
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Class Reptilia
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Class Aves
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Monotreme Mammals
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Marsupial Mammals
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Placental Mammals