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Biology Quiz
| Question | Answer |
|---|---|
| Three facts about protists | 1. Protists are unicellular 2. Protists evolved by endosymbiosis 3. Nutritionally diverse: heterotrophs, photoautotrophs, mixotrophs |
| One application of protists | largest and most biodiverse of any group in eukaryotic kingdom |
| Three facts about excavates | 1. Have modified mitochondria 2. Use flagella to move 3. Some members have excavated feeding groove on the side of the cell body |
| One application of excavates | Trypanosoma in a kinetoplastid that causes sleeping sickness, spread by the African tsetse fly |
| Three facts about chromalveolates (pt.1) | 1. Form monophyletic group, originated over a billion years ago 2. Apicomplexans have intricate life cycles with both sexual and asexual stages 3. Dinoflagellates have armor plates and are components of many kinds of plankton |
| One application of chromalveolates (pt.1) | Apicomplexans cause malaria in humans and act as a parasite |
| Three facts about chromalveolates (pt.2) | 1. Ciliates have both macro and micro nuclei 2. Golden algae are typically biflagellated; both flagella attached at one end of cell and are mixotrophic 3. Brown algae is the largest and most complex algae, can be used in human food |
| One application of chromalveolates (pt.2) | Diatoms are so widespread that their photosynthetic activity affects the global carbon dioxide levels |
| Three facts about rhizarians | 1. Related to amoebas, distinctive by pseudopodia 2. Radiolarians have delicate internal skeleton 3. Cerconzoans are parasites and predators, can photosynthesize |
| One application of rhizarians | Cercozoan paulinella, photosynthesizes with chromatophore, which probably derived from bacterium *also example of endosymbiosis* |
| Two facts about red and green algae | 1. Red algae have no flagellated stages in their life cycle, they depend on water currents to help them reproduce 2. Green algae have green chloroplasts that are similar to those of land plants, showing they are related. |
| One fact about red and green algae | Green algae is divided into two groups: chromophytes and charophytes |
| One application of red and green algae | Nori is a red algae that is used in making sushi |