hw # 94- tba- no homework over spring break warm up how many different kinds of animals are there?...
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HW # 94- TBA- no homework over Spring Break
Warm up
How many different kinds of animals are there? Are there more insects than mammals? What about insects compared to fish?
Week 28, Day Four
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Warm up Response
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Homework Response/Check• Did you complete your essay outline?
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Goals for Today• Examine Protozoa and Invertebrates using
compound and dissecting scopes.
• View the power point and take notes.
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Currently, textbooks from the United States use a system of six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea, and Bacteria)
Protozoa (Protista)• single cell• microscopic to 5mm• cousins with foraminifera (shells form limestone-
which is what the Egyptian pyramids were made of)
• Important in soi, ocean, and fresh water food chains
• can carry disease (Plasmodium vivax) – ex Malaria
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Amoeba proteus
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Volvox sp.
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Paramecium
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Vorticella
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Stentor
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Euglena
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Amoeba proteus
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Difflugia sp. Didinium Eats green alga (Spirogyra) Eats Paramecium
Blepharisma Bursaria truncatella Spirostomum
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Phylum- Porifera (sponges)
• Among the simplest, multicellular animals
• Unspecialized tissues• No organs
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Phylum- Cnidaria
• Hydra• Freshwater• Simplest animals with
definite tissues• Stinging tentacles (filled
with nematocyst threads)
• Up to 25 mm• Ability to regenerate lost
body parts
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Phylum- Platyhelminthes (flatworms)
• Bilateral symmetry• Internal reproductive system• Layers of muscles• Simple nervous system• Exhibit an ability to learn• Free living (not parasitic)
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Phylum- Arthropoda
• Includes crustaceans (crabs, lobsters, shrimp)
• Provide abundant food for fish• Form an essential link in
aquatic food chains
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Amoeba proteusEuglena gracilisParamecium multmicronucleamStentor CoeruleusSpirostomum ambiguumVolvox aureusDugdsia dorato cephala??Hydra littoralisDaphnia magna