Invertebrate Lab Practical Review

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Presentation transcript:

Invertebrate Lab Practical Review

The Lab Practical will cover the following invertebrates: Grasshopper: 8 questions handout Squid: 7 questions handout & pg 418 Clam: 3 questions pg 417 Earthworm: 7 questions pg 415 Crayfish: 8 questions handout & 423 Starfish: 7 questions pg 428

Worms: 9 questions (invertebrate part 1 notes and page 412-413, 420) Total: 50 questions

Grasshopper: Be able to tell male from female Know that the covering of the grasshopper is the exoskeleton Diagram: pg

Grasshopper:

Squid Know the mouth of the squid is called the beak Diagram pg:

Clam Umbo periostracum Growth lines

Hinge teeth Nacreous layer Pallial line

Earthworm

Starfish Dorsal

Ventral

Crayfish

3 classes of the Phylum Platyhelminthes 1. Tubellaria: planarians 2. Trematoda: flukes 3. Cestoda: tapeworms

Tubellaria: planarians

Trematoda: flukes

The tapeworm is lacking a digestive system

Taenia pisiformis Taenia saginatis Dog tapeworm Beef Tapeworm

Trichinella spiralis

Ascaris lumbricoides Ascaris lumbricoides females are larger and males have a hooked tail Largest roundworm to infect humans

Enterobius vermicularis