Download Observing preserved invertebrates lab

Name: _____________________________________ Date: ________________ Period: __________
Lab: Observing Invertebrates
Part 1: Hydra
Procedure:
1. Obtain a slide and a hydra slide from your teacher.
2. Sketch the hydra. Label the basal disk, tentacles, stalk (body), and gastrovascular cavity.
3. To which invertebrate phyla do hydras belong to? ____________________________________
4. How many tentacles do hydra have? What type of symmetry do the have? ________________
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5. What body form do hydra have (polyp or medusa)?___________________________________
6. What characteristics make a hydra an animal?
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Part 2: Ascarsis
Procedure:
1. Obtain small petri dish and an ascarsis slide from your teacher. Place the slide on the stage
of your microscope and observe
2. Sketch your planarian. Label the ovary, oviduct, intestine, and the nerve chords.
3. What phyla does ascarsis belong to? ___________________________________________
Name: _____________________________________ Date: ________________ Period: __________
Part 3: Planaria
Procedure:
1. Obtain a planarian slide from your teacher. Place the slide on the stage of your microscope
and observe.
2. Sketch your planarian. Label the anterior and posterior ends, eyespot, mouth and anus.
3. What phyla do planarians belong to? ___________________________________________
Part 4: Leech
Procedure:
1. Obtain a leech slide from your teacher. Place the slide on the stage of your microscope and
observe.
2. Sketch your leech. Label the anterior and posterior ends, crop, mouth and anus.
3. What phyla do leeches belong to? ___________________________________________
Name: _____________________________________ Date: ________________ Period: __________
Part 5: Star Fish
Procedure:
1. Observe the preserved starfish
2. Sketch it below:
Label the radial canal, tube feet, and madreporite.
3. What phyla do starfish belong to? ___________________________________________
Part 6: Daphnia
Procedure:
1. Obtain a preserved slide of daphnia from your teacher. Place on the microscope stage and
observe.
2. Sketch the daphnia. Label the eye, intestine, heart, carapace, and antennae.
3. How do daphnia swim and what appendages are used for locomotion?
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