Biology-Protists and Fungi
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- What are zygomycetes?
- Conjugational fungi
- How do protists reproduce?
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Asexually via fission
Sexually via meiosis - How do protists get energy?
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Glycolysis
Cellular respiration - True or false: Protists lack the biochemical diversity of prokaryotes but contain drastic heterophotogenic diversity?
- False: morphological diversity
- What kind of environment are protists usually found in?
- Moist
- How are Protists classified?
- Algae and dinoflagellates
- What can cause "red tides"
- Algae
- What are chrysophytes and where are they located?
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Golden algae and diatoms
Ponds and temperate lakes as plankton - Name four aspects of euglenophytes:
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1. contain an "eye spot"
2. in the dark, they live as heterotrophs
3. when light is available they photosynthesize
4. all reproduce asexually - Name an aspect of Phaeophytes
- Brown algae are multicellular and include the Giant Kelps
- Name two aspects of Rhodophytes
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1. the phaeophytes and the rhodophytes make up most of the seaweeds
2. all reproduce sexually - Name two aspects of chlorophytes:
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1. more like plants than any other protists
2. thought to be the land plant's evolutionary precursor - True or false: Protozoa are heterotrophic?
- True
- Name two aspects of the rhizopoda (ameboa)
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1. all reproduce via simple cell division
2. all ameboa change shape by pseudopodia - Name three aspects of sporozoans:
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1. all are parasites
2. very complex life cycles, involving multiple hosts
3. PLASMODIA causes malaria - Name two aspects of ciliophora:
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1. includs about 8,000 species of free-living single celled heterotrophs that live in fresh and salt water
2. best known as paramecium - Paramecium are better known as what?
- Ciliophora
- Name two aspects of fungus-like protists
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1. they flourish as ameoba
2. when food is scarce, they form a multicellular structure that can migrate to food and light - What is plasmodial slime mold?
- It develops as a plasmodium (mass of cytoplasm) and is similar to cellular slime mold
- True or false: in dikaryotic fungi the nuclei lie in a common cytoplasm
- False: coenocytic
- Name several aspects of oomycota
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1. most nearly resembles true fungi
2. are either parasitic or saprophytic - What are most fungi composed of?
- Masses of thread like filaments
- What are these thread-like filaments called?
- Hyphae
- True or false: Hyphae contain only one nuclei each
- False: they contain many nuclei
- True or false: In coenocytic walls called septa separate the 2 nuclei within each filament?
- False
- Define myceluim
- The mass that hyphae grow, branch and intertwine
- How do fungi obtain food?
- By infiltrating the bodies of organisms (or debris) with long, thin hyphae
- How do fungi reproduce?
- Both asexually and sexually
- Name two aspects of zygomycetes
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1. The hyphae are coenocytic
2. include bread molds - What are protists?
- Eukaryotic organisms that do not belong to any of the other eukaryotic kingdoms
- Protists include:
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Algae
Protozoans
Some fungus-like forms