BI 101 notes 10.10

BI 101 notes 10.10 - a. Parasitism one species harms...

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Organism relationships 40 multi choice p 131 Check appendix D Outcomes p 107 1. Interactions a. Predator – consumer kills the organism it eats i. Heterotrophic ii. Carnivore b. Scavenger – breaks down a corpse into detritus i. Corpse – recently dead animal ii. Detritus - Pieces of what was a corpse c. Detritivores – break down detritus into smaller organic material (eaten by decomposers) d. Competition – Different organisms depending on the same resource i. Limited habitat = limited resources 1. inter-specific competition a. comptetition between species 2. intra-specific competition a. within the same species 2. Symbiosis – close association beween organisms from different species
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Unformatted text preview: a. Parasitism one species harms another (does not kill) b. Mutualism both organisms benefit c. Commensalisms: one organism benefits (the other is unaffected 3. Carnivorous plants a. Predators along with photosynthesis i. Found in nutrient poor soils, including wetlands 1. venus fly trap (dionaea) a. modified leifs i. trichomes are the trigger hairs ii. glands secrete digestive enzymes 2. sundews (drosera) a. tricolmes release sticky liquid and can also trigger leaf movement 3. pitcher plants (nepenthes) a. tricolmes lead prey to water b. glands secrete enzymes into water...
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