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Fungi
fungus biology test
| Question | Answer |
|---|---|
| mycology | the study of fungi |
| 4 main characteristics of fungi | eukaryotic(nuclei and mitochondria), heterotrophs,multicellular,cannot move on their own |
| 4 reasons fungi are different from plants | lack chlorophyll;not photosynthetic,most are saprophytes,some are parasites;never reproduce by seeds;have cell walls made of chitin, except molds |
| what organisms have cell walls made of cellulose? | plants and molds |
| hyphae | network of thin thread-like structures that form the "body" of a fungus,contain cytoplasm,grow and branch until they cover and digest the food source(upon which fungi grows),analogous to roots |
| mycelium | a mass of twisted hyphae,usually hidden in the soil, in wood, or another food source |
| septae | divisions of hyphae,screen/cross walls |
| stipe | stalk/stem formed by mycelium |
| what part of a fungus do we see? | the fruiting body above the surface, the living part of a fungus is the underground mycelium |
| 4 main types of fungi | divided into divisions of reproductive structure |
| sporangium fungi/mold | sporangium fungi reproduces by spores in sporangia |
| sporangia | structures found on the tips of hyphae that make spores |
| rhizoids | hyphae of bread mold that digest bread for ingestion |
| club fungi | have a club-shaped part which produces the spores |
| sac fungi | produce spores in sac-like structures |
| imperfect fungi | sporangium/mold,sac,and club fungi that can only reproduce asexually, cause most fungal diseases in humans (ringworm,athletes foot,thrush) |
| lichens | a fungus and an organism with chlorophyll that live together, mutualistic relationship between a protist and a fungus |
| fungi reproduction | fruiting body carries out reproduction,most fungi reproduce by microscopic spores |
| resproduction is calssified according to | they way they from spore and the shape of the structure in which spores are made |
| mold | reproduces sexually and asexually |
| ways in which fungi spread their spores because most don't grow tall enough to clear the "boundary layer" of still air next to the ground | they shoot their spoors and use animals, water, or wind for dispersal, once spores are caught by something they can be carried long distances |
| how are fungi different from plants | fungi: heterotrophic,cell wall made of chitin, lack chlorophyll,reproduce with spores not seeds plants: autotrophic (photosynthetic),cell wall made of cellulose,reproduce with seeds |
Created by:
ginger4
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