9 phyla of the animal kingdom. common animal characteristics multicellular (many cells)...
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9 Phyla9 Phylaof theof the
Animal Animal
KingdoKingdomm
Common Animal Common Animal CharacteristicsCharacteristics
Multicellular (many cells)Multicellular (many cells) Eukaryotic (cells contain Eukaryotic (cells contain
nucleus)nucleus) Heterotrophic (must eat)Heterotrophic (must eat) Lack cell wallsLack cell walls MoveMove
Animal PhylaAnimal Phyla 34 total phyla in the kingdom34 total phyla in the kingdom Classifying criteria:Classifying criteria:
Body symmetryBody symmetryLevel of organizationLevel of organization
Types of body Types of body symmetrysymmetry
AsymmetryAsymmetryNo symmetryNo symmetry
Radial symmetryRadial symmetryCircular shape Circular shape
Bilateral symmetryBilateral symmetryIdentical right & left halvesIdentical right & left halves
Levels of Levels of OrganizationOrganization
Cellular: Cellular: Simplest animals are made Simplest animals are made of independent cellsof independent cells
Ex: SpongesEx: Sponges
Levels of Levels of OrganizationOrganization
Tissue:Tissue:Cells work together to form Cells work together to form specialized tissues like specialized tissues like muscle tissuemuscle tissue
Ex: JellyfishEx: Jellyfish
Levels of Levels of OrganizationOrganization
Organs:Organs:Tissues work together to Tissues work together to form organs; that do a form organs; that do a specific job specific job
Ex: Turtles have lungs.Ex: Turtles have lungs.
Phylum PoriferaPhylum Porifera Found only in waterFound only in water Saclike bodies with many Saclike bodies with many
pores for feedingpores for feeding Simplest phylumSimplest phylum AsymmetricalAsymmetrical Organized into CellsOrganized into Cells
Phylum CnidariaPhylum Cnidaria
Have stinging tentaclesHave stinging tentacles Radially symmetricalRadially symmetrical Organized into tissuesOrganized into tissues Ex: Sea anemonesEx: Sea anemones
Phylum Phylum PlatyhelminthesPlatyhelminthes
Mostly parasiticMostly parasitic Bilaterally symmetricalBilaterally symmetrical Complex tissues: nerves and Complex tissues: nerves and
brainbrain Ex: Flatworms &Ex: Flatworms &TapewormsTapeworms
Phylum NematodaPhylum Nematoda Bilateral SymmetricalBilateral Symmetrical Organized into TissuesOrganized into Tissues Ex: Ex: Round worms & Hook Round worms & Hook
worms & Pinwormsworms & Pinworms
Phylum MolluscaPhylum Mollusca Soft body, occasional hard Soft body, occasional hard
shellshell Organized on the organ levelOrganized on the organ level Ex: Ex: ClamsClams
Phylum AnnelidaPhylum Annelida Segmented (divided sections) Segmented (divided sections)
worms worms Ex: EarthwormsEx: Earthworms
Phylum ArthropodaPhylum Arthropoda Have jointed appendagesHave jointed appendages Have an exoskeleton & moltHave an exoskeleton & molt Biggest phlumBiggest phlum Ex: Ex: ALL insectsALL insects
Phylum Phylum EchinodermataEchinodermata
Spiny skinSpiny skin Radially symmetricalRadially symmetrical Well developed organs Well developed organs Can regenerateCan regenerate Ex: Ex: StarfishStarfish
Phylum ChordataPhylum Chordata Most advanced animalsMost advanced animals Internal skeleton and spinal cordInternal skeleton and spinal cord Bilaterally symmetricalBilaterally symmetrical ExampleExample
Fish (bony and cartilage)Fish (bony and cartilage) AmphibiansAmphibians ReptilesReptiles MammalsMammals BirdsBirds
All reproduce sexuallyAll reproduce sexually
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