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Protist Diversity
Protist diversity assignment
| protist type | details about type |
|---|---|
| Dinoflagellates Photosynthetic plankton that are mostly marine (some freshwater) and drift in water. | |
| Dinoflagellates – Flagella Have two asymmetrical flagella located in grooves of cellulose plates. | |
| Dinoflagellates – Movement Equatorial groove provides spin and thrust; longitudinal groove acts like a rudder. | |
| Dinoflagellates – Symbiosis Live as endosymbionts inside corals and provide nourishment through photosynthesis. | |
| Dinoflagellates – Coral Relationship Corals provide nutrients to dinoflagellates; dinoflagellates help corals build skeletons. | |
| Dinoflagellates – Red Tides Cause red tides due to blooms triggered by excess nutrient runoff from humans. | |
| Apicomplexans Internal parasitic protists that cause diseases. | |
| Apicomplexans – Malaria Cause malaria; Plasmodium is the example organism. | |
| Apicomplexans – Life Cycle Have a complex life cycle requiring two hosts, such as humans and mosquitoes. | |
| Apicomplexans – Transmission Sporozoites develop in mosquito salivary glands and enter humans during feeding. | |
| Ciliates Unicellular heterotrophic protists covered in cilia for movement and feeding. | |
| Ciliates – Structures Have complex cellular structures including a gullet (oral groove). | |
| Ciliates – Contractile Vacuole Use a contractile vacuole for water balance and movement. | |
| Ciliates – Nuclei Have two nuclei: micronucleus (reproduction) and macronucleus (cell functions). | |
| Diatoms Protists with ornate, two-part silica cell walls. | |
| Diatoms – Habitat Found in marine, freshwater, and moist environments. | |
| Diatoms – Bioindicators Sensitive to environmental change and used as bioindicators. | |
| Diatoms – Fossils Leave fossil records and are declining in population. | |
| Brown Algae Largest and most complex multicellular protists. | |
| Brown Algae – Habitat Mostly marine and form giant kelp forests. | |
| Brown Algae – Ecosystem Kelp forests are among the most productive ecosystems in the world. | |
| Brown Algae – Decline Declining globally due to human activity. | |
| Oomycetes Water molds that act as decomposers or parasites. | |
| Oomycetes – Nutrition Secrete digestive enzymes to absorb nutrients. | |
| Oomycetes – Classification Historically misclassified as fungi. | |
| Oomycetes – Spores Produce motile spores for dispersal. | |
| Oomycetes – Potato Blight Caused the Irish Potato Famine. | |
| Red Algae Photosynthetic protists with cellulose cell walls. | |
| Red Algae – Pigments Contain chlorophyll A and other pigments to absorb deep-water light. | |
| Red Algae – Habitat Live in deep water. | |
| Red Algae – Life Cycle Life cycle alternates over generations. | |
| Green Algae Protists that can be unicellular, colonial, or multicellular. | |
| Green Algae – Evolution Closest relatives of land plants. | |
| Amoebas Protists that move and feed using pseudopods. | |
| Amoebas – Feeding Consume food through phagocytosis. | |
| Amoebas – Loboseans Mostly free-living amoebas commonly thought of as amoebas. | |
| Slime Molds Group of amoebas once classified as fungi. | |
| Plasmodial Slime Mold Multinucleated mass of cytoplasm without cell walls. | |
| Plasmodial Slime Mold – Reproduction Reproduce using fruiting bodies. | |
| Cellular Slime Mold Exist as individual amoebas that join to form a slug under poor conditions. | |
| Choanoflagellates Protists closely related to animals, including vertebrates and invertebrates. |
Created by:
dbbishop
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