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Lecture Notes for October 29, 2015

by: Jacqueline Mercader

Lecture Notes for October 29, 2015 Biology 110

Marketplace > Purdue University > Biology > Biology 110 > Lecture Notes for October 29 2015
Jacqueline Mercader
Biology 110- Fundamentals of Biology
Dr. Anderson

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Hey, guys! Here are the notes from Dr. Anderson's lecture. The notes are from October 29th and they include the typed up material from the slide shows, along with more information that was given in...
Biology 110- Fundamentals of Biology
Dr. Anderson
Class Notes
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This 2 page Class Notes was uploaded by Jacqueline Mercader on Thursday October 29, 2015. The Class Notes belongs to Biology 110 at Purdue University taught by Dr. Anderson in Fall 2015. Since its upload, it has received 19 views. For similar materials see Biology 110- Fundamentals of Biology in Biology at Purdue University.


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Date Created: 10/29/15
Biology 110 Lecture Notes October 29 2015 Species Interactions Community Ecology the study of interactions among populations of different species competition predationherbivory symbiosis facilitation species diversity trophic structure succession Interspecific Competition individuals of different species compete for same resources that are limiting their growth and survival negative effects for both species eg wolves elk mountain lions Competitive Exclusion Principle Two species cannot compete for the same resource in the same place indefinitely One species will be the better competitor and the others will be eliminated locally Eg one lion hunts one hyena versus multiple hyenas hunting one lion Ecological Niche a species role in ecosystem Temperature range tolerated Parts of the habitat is used ground bushes trees Time of day when active Niche resources Partitioning Differentiation of niches that enables similar species to coexist in a community Eg mountain lions crepuscular daydawn they hunt cooperatively in a group and hunt bigger prey than hyenas Biology 110 Lecture Notes October 29 2015 Character Displacement Characteristics shared by species tend to diverge more in populations that are ranges overlap versus ranges that do not ovedap Between sympatric and allopatric less competition and different preyfood PredationHerbivory A positive and negative interaction between species One species kills Predator 0 have adaptations to detect prey such as speed eyesight claws One species gets eaten Prey o have adaptations to avoid detection such as camouflage armor spines speed Prey Adaptations Cryptic coloration camouflage makes it difficult to see Mechanical defense some part of the body is protective armor Toxins chemical poisons or venom produced by prey or by something it eats o Eg caterpillar Aposematic coloration warning color patterns that advertise danger distastefulness or a bad smell Batesian mimicry harmless or tasty species mimic the color patterns of dangerousnastytasting species 0 Eg a caterpillar with a snakelooking tail Mullerian mimicry dangerousnastytasting species mimic each other 0 Eg hornet wasp honey bees Symbiosis The coexistence of two species that are in direct and intimate contact 0 1 Mutualism o 2 Parasitism o 3 Commensalism O


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