Lab Exercise 10 : Protists. Station 1. Entamoeba histolytica and then trophozoites hatch out in the...
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Transcript of Lab Exercise 10 : Protists. Station 1. Entamoeba histolytica and then trophozoites hatch out in the...
Lab Exercise 10:
Protists
Station 1. Entamoeba histolytica
and then trophozoites hatch out in the intestines and can be seen in fecal smears
Name two ways parasitic Entamoeba histolytica is different from its pond water ‘cousin’ Amoeba proteus
Cysts are ingested in contaminated water or food
Answer: It has no contractile vacuoles or food vacuoles
Station 2. Trypanosoma brucei
Station 3: Giardia lamblia
flagella
Station 4: Trichomonas vaginalis
Vaginal smear
Station 5. Paramecium caudatum
a. Method of reproduction?
Asexual or sexual?
Conditions?
b. Method of reproduction?
Asexual or sexual?
Conditions?
Answers: a. binary fission, asexual, good conditions
b. conjugation, sexual, harsh conditions
c. anterior end
c. Anterior or posterior end?
Station 6. Plasmodium life cycle
Gametocytes
Fertilization occurs
Sporogony
(10-14 days)
48 hour cycles
Schizogony
Schizogony
form
Macro and micro
zygotes
Station 7. Physarum (slime mold)
cyclosis
Station 8. Slime mold sporangia
Station 9. Dinoflagellates
Name of groove?
Answer: annulus
Station 10. Diatoms
Habitats?
Answer: round marine, elongated freshwater
Cell wall composed of?
Answer: silica (glass)
Station 11. Diatomaceous earth
Station 12. Filamentous Green algae
Spirogyrab. Haploid (n) or diploid (2n)?
a. Type of reproduction?
Asexual or sexual?
Conditions?
Answers: a. conjugation, sexual, harsh conditions
b. diploid (2n)
Station 13. Red Algae
agar
blade
Kelp
Station 14. Brown agae
algin
Wet Mount 1. Amoeba proteus
Wet Mount 2. Trichonympha from termite gut
Wet Mount 3. Paramecium caudatum
Paramecium, continued
Wet Mount 4. Euglena gracilis
A
Wet Mount 5. Volvox