Term
| Are most Eukaryotes single-celled or multi-cellular? |
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Definition
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Term
| Another way of saying that most protists are single-celled is to say that they are _______________. |
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Definition
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Term
| Protists can be all of the following in terms of cell numbers: |
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Definition
| Unicellular/Single-celled, colonial, or multicellular. |
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Term
| True or false: All protists are single-celled. |
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Definition
| False: Most protists are single celled. |
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Term
| In what kinds of environments to protists live? |
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Definition
| Aquatic or moist environments. |
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Term
| What are the categories that protists fit in terms of how they get their energy? |
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Definition
| Phototrophs, heterotrophs, or mixotrophs. |
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Term
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Definition
| Combination photoautotroph and heterotroph |
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Term
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Definition
| A colony of cells that live together, but have the ability to live if separated. |
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Term
| What happened to make protists so diverse? |
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Definition
| Natural selection leading to evolution was repeated in highly variable environments over one billion years, aided by endosymbiosis and countless extinctions. |
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Term
| Protists are a branch within the taxonomic category of ______________ and reside within the ______________ Eukarya. |
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Definition
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Term
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Definition
| Symbiotic organisms live inside one another after being engulfed. |
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Term
| What are the factors that contribute to Protist Diversity? |
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Definition
- Variable internal and External STRUCTURES.
- MOTILITY during some or all of life cycle.
- Many have ALTERNATION OF GENERATIONS between between multicellular halploid and diploid stages.
- COLOR of photoautotraophs vary with pigments.
- Have important ECOSYSTEM roles. |
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Term
| Some protists cause _________ ___________. |
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Definition
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Term
| What are three diseases that protists can cause in humans. |
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Definition
- Sleeping sickness
- Vaginal infection
- Malaria |
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Term
| What protist causes sleeping sickness? |
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Definition
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Term
| What protist causes Vaginal infections? |
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Definition
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Term
| What protist causes malaria? |
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Definition
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Term
| Why does Plasmodium cause malaria? |
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Definition
| Because it requires at least two host organisms -- mosquitos and humans -- to complete its life cycle. |
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Term
| True or false: all protists have motility during their entire life cycle. |
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Definition
| False: Protists have motility during some or all of their life cycle. |
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Term
| What is an example of a protist that has a flagella for utility? |
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Definition
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Term
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Definition
| Protist that have two flagella reinforced by cellulose plates. |
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Term
| What is an example of a protist that has cilia for motility? |
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Definition
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Term
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Definition
| Ameobas that change their form like "false feet" to move. |
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Term
| What are the means by which protists have motility? |
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Definition
- Pseudopodia
- Cilia
- "False feet" on pseudopods |
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Term
| What are examples of protists that have variable internal and external structures? |
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Definition
- Diatoms
- Golden Algae
- Brown Algae
- Slime Molds
- Radiolarians |
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Term
| What special structure do diatoms possess? |
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Definition
| A cell wall embedded with silica. |
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Term
| What special structural feature do Radiolarians possess? |
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Definition
| Silica in the cytoskeleton. |
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Term
| What special structural feature does Brown Algae possess? |
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Definition
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Term
| What special structural feature does Goldon Algae possess? |
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Definition
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Term
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Definition
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Term
| True or false: protists only go through single-cellular life cycles that are only haploid. |
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Definition
| False: Protists go through multi-cellular life cycles that are both haploid and diploid. |
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Term
| Alternation of Generations |
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Definition
| The alternation of multicellular haploid and diploid forms in a life cycle. |
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Term
| The life cycle of protists is characterized by... |
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Definition
| Alternation of Generations. |
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Term
|
Definition
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Term
|
Definition
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Term
| What is the symbol for haploid? |
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Definition
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Term
| What is the symbol for diploid? |
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Definition
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Term
| For protists, the ________ of photoautotrophs vary with _____________. |
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Definition
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Term
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Definition
| Substances in organisms that give them color from reflecting wavelengths they do not absorb. |
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Term
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Definition
| It has a pigment called phycoerythin that masks the green of chlorophyll. |
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Term
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Definition
| The pigment in red algae that masks the green of chlorophyll in red algae. |
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Term
| What is the closest protist relative to plants? |
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Definition
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Term
| Why do different protists have the color they do? |
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Definition
| They use different wavelengths of light and reflect back the ones they do not use. |
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Term
| True or false: plants are responsible for all photosynthesis. |
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Definition
| False: Half of all photosynthesis comes from prokaryotes and protists. |
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Term
| What percentage of photosynthesis are prokaryotes responsible for? |
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Definition
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Term
| What percentage of photosynthesis are protists responsible for? |
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Definition
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Term
| What makes Brown algae brown? |
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Definition
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Term
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Definition
| Pigments that reflect brown wavelengths in Brown Algae. |
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Term
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Definition
| Suspended small, microscopic organisms. |
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Term
| Why are Plankton important for the enviornment? |
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Definition
| They serve as the base for aquatic food webs. |
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Term
| What do protists do for coral reefs? |
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Definition
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Term
| Which protist provides nutrition for coral reef? |
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Definition
| Photosynthetic symbiotic dinoflagellates |
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Term
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Definition
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Term
| What are the Oomycetes responsible for causing in history? |
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Definition
| They parasitically caused the Irish Potato Famine. |
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Term
| What do all the factors the make protists diverse contribute to? |
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Definition
| The challenge and uncertainty of protist phylogenetics. |
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Term
| What is the name of parasitic decomposers? |
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Definition
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