Foraminifera Amoeba Lab 3
Protozoa and Slime Molds
Dictyostelium Actinopoda
Protozoa and Slime Molds
• Shared Characteristics
– Eukaryotic Cells • Contain a membrane bound nucleus • Contain complex, membrane bound organelles
– Unicellular
– Autotrophic, Heterotrophic, Parasitic
Lineage Discicristata (p42-45) Trypanosoma Trichonympha
Euglena
Giardia Trichomonas
Peranema
1 Lineage Discicristata (p42-45)
• Common Traits:
– Flagella
– No cell wall
– No layer beyond the plasma membrane
Lineage Alveolata (p46-47)
• Phylum Dinoflagellata – Autotrophic (Chlorophyll a & c and carotenoids)
– Phytoplankton • How can you tell them apart from zooplankton?
– Usually 2 flagella • Cellulose cell wall
Other Characteristics of
Dinoflagelletes (depends on species)
• Thecate- – protective plates armored (often on free-living)
• Bioluminescent
• Endosymbiotic (corals and anemones)
2 Lineage Alveolata
• Phylum Dinoflagellata
– Gymnodinium breve
• Responsible for red tides
• Produce toxins
Lineage Alveolata
• Phylum Apicomplexa – All parasitic – No movement organelles
• Gregarina Species – Parasite in the gut of many insects
• Plasmodium vivax – Causes malaria
Lineage Alveolata
• Phylum Ciliata – Has cilia for feeding, locomotion, or both
Paramecium
3 Lineage Alveolata Phylum Ciliophora
Stentor
Euplotes
Vorticella
Lineage Amoebozoa
Pseudopoda •Phylum Rhizopoda
•No cell wall
•Some have tests pseudopod test
•Diagram p 532 is vague, DON”T USE IT Diffulgia
Lineage Amoebozoa
• Phylum Myxogastrida
– Heterotrophic
– Coenocyte (many nuclei in one cell)
– Plasmodium can give rise to a sporangium
4 Lineage Amoebozoa
• Phylum Dictyostelida • Myxamoebas – Independent amoeboid cells – form a pseudoplasmodium to reproduce
Psuedoplasmodium Fruiting body with spores
Lineage Rhizaria
• Common Traits:
– Numerous thin pseudopoda
– Heterotrophic
– Most have tests
Lineage Rhizaria
• Phylum Actinopoda
• Radiolarians – Amoebas with glassy test
• Heliozoans – Lack a test
5 Lineage Rhizaria
• Phylum Foraminifera – Most abundant organisms in ocean
– Limestone from Foram tests
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