Zoology
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Eukaryotic Characteristics
Gastrulation in Animals
Symmetry in Animals
Protostomes and Deuterostomes
Invertebrates and Vertebrates
Phylum Porifera
Class Calcarea
Class Hexactinellida
Class Demospongia
Class Scyphozoa
Class Homoscleromorpha
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Phylum Cnidaria
Class Hydrozoa
Class Anthozoa
Class Cubozoa
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Phylum Platyhelminthes
Class Turbellaria
Class Trematoda
Class Cestoda
Class Monogenea
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Phylum Nematoda
Class Adenophorea
Class Secernentea
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Phylum Mollusca
Class Bivalvia
Class Polyplacophora
Class Gastropoda
Class Cephalopoda
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Phylum Annelida
Class Aelosomata
Class Polychaeta
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Phylum Arthropoda
Class Merostomata
Class Arachnida
Class Pycnogonida
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Phylum Echinodermata
Class Asteroidea
Class Ophiuroidea
Class Echinoidea
Class Crinoidea
Class Holothuroidea
Class Asteroidea
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Phylum Agnatha
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Phylum Chondrichthyes
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Phylum Osteichthyes
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Phylum Amphibia
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Phylum Reptilia
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Phylum Aves
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Phylum Mammalia
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Works Cited
Invertebrates and Vertebrates
Invertebrates
Animal w/o a backbone
Kingdom animalia
Multicellular, no backbone, no cell walls, reproduce sexually, heterotrophic
Insects, flatworms, etc.
30 phyla
Phylum Chordata
Small and slow moving
98% of all animal species
2 million species
(5)
Vertebrates
Animals with an internal skeleton made of bone are called vertebrates.
Kingdom animalia
Well-developed internal skeleton; highly developed brain; have advanced
nervous system
; outer covering of protective cellular skin.
Parrots, humans, snakes, etc.
Classified into five groups: fish, amphibians, reptiles,
birds
, and mammals.
Phylum Chordata
Big in size
2% of all animal species
57, 739