ANTH 171 Review #2 Answers (2nd Page)

ANTH 171 Review #2 Answers (2nd Page) - D efine mutualism...

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Define mutualism and co-evolution: Two species or guilds of species evolving together. What can a disperser be? Can be obligate Can be specialist or generalist (opportunist) Can use seed disperser or see predator What is r and K selection? r selected animals (altricial): not so much or little parental investment K selected animals (prococial): lots of parental investment What are the different types of seed dispersal; describe them. Passive Dispersal: Dispersal through wind. Seeds need sails in order to be dispersed through wind. Each seed has a low chance of surviving. Make seed bigger will not help so make a lot of them. Animal Dispersal: Animals aid dispersal by either carrying the seeds on the outside of their bodies or by eating the seeds and passing them out with their droppings. What are the different dispersers and what do the fruits look like? Birds, monkeys, bats, and elephants. Birds go for black or red fruits that are dryer.
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ANTH 171 Review #2 Answers (2nd Page) - D efine mutualism...

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