chapter 33 invertebrates
DESCRIPTION
CHAPTER 33 INVERTEBRATES. Porifera Sponges. Porifera Sponges. Porifera Sponges-osculum, choanocytes-limits size of food particles , must fit into the collar; extra cellular and intracellular digestion amoebocytes, hermaphrodites, reaggregation, spongocoels. Porifera Sponges. Porifera Sponges. - PowerPoint PPT PresentationTRANSCRIPT
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CHAPTER 33 INVERTEBRATES
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Porifera Sponges
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Porifera Sponges
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Porifera Sponges-osculum, choanocytes-limits size of food particles , must fit into the collar; extra cellular and intracellular digestion amoebocytes, hermaphrodites, reaggregation, spongocoels
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Porifera Sponges
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Porifera Sponges
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Venus Flower Basket Sponge
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Porifera Sponges
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Porifera Sponges
Spicules-skeletal components of sponges
composed of calcium carbonate, silica, or a protein called spongin
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Porifera Sponges
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Cnidarians-hydra and jellyfish
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Cnidarians-hydra and jellyfish
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Cnidarians-hydra and
jellyfishnerve net
nonpolarizedPolyp
Medusa
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Cnidarians-hydra and jellyfish
cnidocytes with nematocysts
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Nematocyst
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Cnidarians-colonial hydra Hydrozoansectoderm, endoderm, radial symmetry, polyps, medusa, cnidocytes with nematocysts
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Cnidarians-jellyfish Scyphozoans
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Cnidarians-jellyfish
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Cnidarians-sea anemone Anthozoans
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Cnidarians-sea anemone Anthozoans
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Cnidarians-sea anemone
Anthozoans
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Cnidarians-Coral Anthozoans
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Cnidarians-corals Anthozoans
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Cnidarians-coral Hydorzoan
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Cnidarians-Scyphozoansjellyfish
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Cnidarians-hydra
Colonial hydroid
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Cnidarians-sea anemone Anthozoans
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Cnidarians-Hydrozoan-Portuguese Man-of-War
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Cnidarians-Hydrozoans-Portuguese Man-of-War
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Cnidarians-Hydrozoan-Portuguese Man-of-War
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Ctenophora-comb jellies-long tentacles, combs are rows of fused cilia, some are bioluminescent colloblasts-cells containing vacuoles with a sticky thread-like protein that burst open and captures food particles
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Ctenophora-comb jellies
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Ctenophora-comb jellies
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Ctenophora-comb jellies
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Ctenophora-comb jellies
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Ctenophora-comb jelliesFused cilia
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Ctenophora-comb jellies
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ProtostomiaAcoelomates
PlatehelminthesPseudocoelomates
RotifersNematoda-ecdysozoa
CoelomatesLophophoratesNemerteaMolluscaAnnelidaArthropoda-ecdysozoa
DeuterostomiaCoelomates
Echinodermata
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Platyhelminthes-flatworms
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Platyhelminthes-flatworms incomplete digestive system, flame cells water balance only, cephalization, nerves, internal fertilization
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Platyhelminthes-flatworms
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Life Cycle of a Blood Fluketriploblastic with
mesoderm, acoelomic,
incomplete digestive system, flame cells water balance only,
cephalization, nerves,
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Platyhelminthes-flatworms-fluke
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Platyhelminthes-flatworms-
tapeworm-Cestoidia
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Platyhelminthes-flatworms- tapeworm
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Platyhelminthes-flatworms- tapeworm
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Platyhelminthes-flatworms- tapeworm
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Rotifers-have a pseudocoelom reproduce by parthenogenesis, crown of cilia for food capture pull food into mouth which has jaws, first complete digestive tract
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Rotifers
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Rotifers
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Rotifers
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Rotifers
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Lophophorates-lophophore-food capture and gas
exchange,embryonic
development like a deuterostomes
phoronid
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Lophophoratesbryozoans
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Lophophorates Bryozoans
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Lophophore
Lophophorates brachiopods
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LophophoratesLophophorates
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Nemertea-ribbon wormsFirst simple closed circulatory system, complete digestive system
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Nemertea-ribbon worms
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Nemertea-ribbon worms probosis
worm
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Mollusca-foot, visceral mass, mantle, mantle cavity, radula
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Mollusca chiton
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Mollusca chiton
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Trochophore Larva
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Protonephridia flame cell metanephridia
Flame cell found in Platyhelminthes pulls in water and pumps it out with cilia no concentration of waste. Protonephridia found in Molluska several flame cells with some transport of good substances out of the tube loses lots of water little concentration of waste
Metanephridia take in coelomic fluid and reabsorb the nutrients and water which are then picked up by the associated blood vessels thus they concentrate the nitrogenous waste found in Annelids
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Mollusca gastropoda-torsion-vascularized mantle cavity acts as crude lung
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Mollusca gastropoda
torsion-vascularized mantle cavity acts as crude
lung
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Mollusca gastropoda
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Mollusca gastropoda-sea slug
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Mollusca gastropoda
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Mollusca gastropoda
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Mollusca gastropoda
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Mollusca Bivalvia
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Mollusca Bivalviagillsfilter feedersopen circulatory systemloss of cephalization
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Mollusca Bivalvia
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Mollusca Bivalvia
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Mollusca Bivalvia
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Mollusca Cephalopoda-jet propulsion; closed circulatory system, well developed nervous system
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Mollusca Cephalopoda
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Mollusca Cephalopoda
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Mollusca Cephalopoda
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Mollusca Cephalopoda
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Mollusca Cephalopoda
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Mollusca Cephalopoda
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Mollusca Cephalopoda eggs of giant octopus
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Mollusca Cephalopoda
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Annelida-segmented
worms- Oligochaeta-earthworms
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Annelida-segmented
worms- segmentation,
closed circulatory
system, cerebral ganglia
and nerve cords,
metanephridia,
Oligochaeta-earthworms
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Annelida-segmented worms-Polychaete Polychaete Hirudinea-marine bristle tube worm leechesworms
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Annelida-segmented worms-
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Annelida-segmented worms-
Respiration
Porifera->rotifera-Through body surfaceLophophorates through tentacles w/ coelomic fluidAnnelids through highly vascularizedepidermis and parapodiaMolusca through gills or vascularized mantle cavityArachnida book lungsInsecta tracheal system
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Annelida-segmented worms-
Hirudinea
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Annelida-segmented worms-Oligochaeta
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Annelida-segmented worms Polychaeta
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Annelida-segmented worms-Hirudinea
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Annelida-segmented worms
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Annelida-segmented worms
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Annelida-segmented worms
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Nematoda-roundwormsa free-livingtype
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Nematoda-roundworms
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Parasitic nematode trichinosis form cysts in pork
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Nematoda Roundworms
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Nematoda Roundworms
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Nematoda Roundworms
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Nematoda Roundworms
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Nematoda Roundworms
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Nematoda Roundworms
Nematoda Roundworms Loa-loa worm
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Arthropoda
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Trilobite
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Horseshoe crabs
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Arachnida parasitic mites in a Scorpion honey bee’s trachea
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Arthropoda Arachnida
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Arthropoda Arachnida
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Arachnida
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Arachnida
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Arachnida
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Arachnida
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Arachnida
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Arachnida
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Arachnida
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Arachnida
Arachnida
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Chilopoda
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Chilopoda
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Chilopoda
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Diplopoda-millipedes
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Diplopoda
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Diplopoda
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Diplopoda
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Insecta
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Insecta
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Insecta-complete metamorphosis
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Insecta
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Insecta
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Incomplete Metamorphosis
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Complete Metamorphosis
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Crustacean
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Crustacean
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Crustaceanbarnacles
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Crustacea
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Crustacea
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Crustacea
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Echinodermata
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Echinodermata
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Echinodermata
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Echinodermata
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Echinodermata
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Echinodermata
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Echinodermata
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Regeneration
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Echinodermatasea cucumber
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