Lab 1 Microscopy Parts & use of microscope. Lab 2 Cells & Tissues Cell theory Cell structure, review...

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Lab 1 Microscopy • Parts & use of microscope
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Transcript of Lab 1 Microscopy Parts & use of microscope. Lab 2 Cells & Tissues Cell theory Cell structure, review...

Lab 1 Microscopy

• Parts & use of microscope

Lab 2 Cells & Tissues

• Cell theory• Cell structure, review pp. 17 & 18• Histology: epithelial, connective, muscular &

nervous• Slides– List on pp. 16 (plus frog skin)

Cardiac muscle

Motor end plate

Lab 4 Development

• 5 phases• 3 germ layers• Cleavage: radial v. spiral• Development in sea star (slide) & frog (model)– Zygote, morula, blastula, gastrula, neurula (frog),

larva

• Development in chick (slides)• Extraembronic membranes (4)

Sea star development

Frog development

Lab 5 Morphology

• Symmetry• Body cavity• Metamerism• Cephalization• Protostomes v. Deuterostomes

Lab 6 Protozoa

• Single celled, eukaryotic, animal-like protists• Flagellated protozoa– Euglena (live & prepared)– Trypanosoma

• Amoeboid– Amoeba (live & prepared)– Foraminiferans (slide)– Radiolarians (slide)

Euglena

Amoeba

foraminiferans

radiolarians

Protozoa

• Alveolates– Paramecium caudatum

Lab 7 Porifera

• Sponges– Spicules of calcium carbonate or silica– Fibers of collagen or spongin– Outer pinacocytes– Inner choanocytes– Mesohyl in the middle

• Canal systems: asconoid, syconoid or leuconoid

Sponges

• Class Demospongiae: horny sponges• Class Calcispongiae: calcareous sponges• Class Hexactinellida: glass sponges

Class Demospongiae

Clathrina

Glass sponge

Phylum Cnidaria

• Radial symmetry• Diploblastic• Outer epidermis• Inner gastrodermis• Cnidocytes—nematocysts• Polyp & medusa stage

Cnidaria

• Class Hydrozoa– Obelia (prepared slide)– Hydra (live & prepared)– Physalia (preserved)

• Class Scyphozoa– Aurelia

• Class Anthozoa– Sea anemones & corals

Obelia

Hydra

Physalia

Aurelia

Anthozoans

Lab 9 Platyhelminthes

• Flatworms• Triploblastic & bilateral• Class Turbellaria– Planaria (live & prepared slides)

• Class Trematoda– Complex life cycle—2+ hosts– Clonorchis sinensis—human liver fluke (slide)– Fasciola hepatica—sheep liver fluke (slide)– Cercaria—tadpole like stage (slide)

Planaria

Clonorchis sinensis

Fasciola hepatica

cercaria

Platyhelminthes

• Class Cestoda—tapeworms• Taenia piscivora (slide)• Scolex & proglottids

Lab 10 Pseudocoelomates

• Phylum Nematoda– Ascaris– Trichinella

Pseudocoelomates

• Phylum Rotifera– Corona & mastax

Lab 11 Phylum Mollusca

• Soft body• Mantle secretes shell• Triploblastic & coelomate• Radula

Class Polyplacophora

Class Bivalvia

Class Gastropods

Class Cephalopoda

Lab 12 Phylum Annelida

• Metamerism• setae

Class Polychaeta

Earthworm dissection

Class Oligochaeta

Class Hirudinea

Lab 13 Phylum Arthropoda

• Hardened exoskeleton• Jointed appendages• Molting

Subphylum Trilobita

Class MerostomataSubphylym Chelicerata

Subphylum Chelicerata

Subphylum MyriapodaClass DiplopodaClass Chilopoda

Class BranchiopodaSubphylum Crustacea

Class MaxillopodaSubphylum Crustacea

Class MalacostracaSubphylum Crustracea

Class InsectaSubphylum Hexapoda