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CHAPTER 37 OUTLINES 37-1 Structural Features … A community includes … CommunityKey Characteristics Species diversityRichnessNoteDominant species NoteNoteNoteResponse to … ExamplesNoteNoteNoteTrophic structureNoteNoteNoteInterspecific interactions NoteNoteNoteNote37-2 Structural Features… Competition may occur.. Competition NoteInterspecificG.F. Gause Studied ? NoteNoteNoteNoteCompetitive …NicheNoteNoteNoteResource …Note37-3 Structural Features … Predation leads to… Predation- NoteNoteNoteNoteNoteAnimal defenses NoteNoteNoteNoteNoteBatesian mimicryNoteMullerian mimicryNotePredator mimicry Note37-4 Structural Features … Predation can … Predator-prey relationship Note NoteKeystone speciesExamplesNoteNoteNoteNoteNote37-5 Structural Features … Herbivores and the… HerbivoresNoteNoteNoteWeapons NoteNoteNoteCoevolutionNoteNoteNote37-6 Structural Features … Symbiotic relationship… Symbiotic relationshipParasitismNoteNoteNotePathogensNoteNoteNoteCommensalismNoteNoteMutualismNoteNoteNote37-7 Structural Features … Disturbance is a … DisturbanceNoteNoteNoteNoteEcological successionPrimary successionNoteNoteNoteNoteNoteSecondary successionNoteNote37-9 Structural Features … Trophic structure … Food chain ProducersNoteNoteNotePrimary consumersNoteNoteSecondary consumersNoteTertiary consumersNote- Quaternary consumersNoteDetritivoresNoteNoteNoteNoteDecompositionNote37-10 Structural Features … Food chains… Food webNoteNoteNoteNote37-11 Ecosystem Structure… Ecosystem ecology… EcosystemNoteNote2 Processes Energy flowNoteNoteNoteNoteNoteNoteChemical cyclingNoteNoteNoteNote37-12 Ecosystem Structure… Primary production… NoteNoteNoteBiomassPrimary productionNoteNoteNoteNote- 37-13 Ecosystem Structure… Energy supply… NoteNoteNotePyramid of productionNoteNoteNoteNoteNoteNote37-15 Ecosystem Structure… Chemicals are … NoteNoteNoteBiogeochemical cyclesAbiotic reservoir*Draw figure 37.15 NoteNoteNoteNoteLocal vs. global NoteNote37-16 Ecosystem Structure… Water moves … *Draw figure 37.16 NoteAffect of humans NoteNoteNoteNoteNote37-17 Ecosystem Structure… The carbon cycle … *Draw figure 37.17 NoteNoteNoteNote- Note37-18 Ecosystem Structure… The nitrogen cycle… *Draw figure 37.18 NoteNoteNoteNoteNH4+, NO3NoteNoteAffect of humans NoteNoteNoteNoteNote37-19 Ecosystem Structure… The phosphorus cycle… *Draw figure 37.19 NoteNoteNoteNoteNoteAffect of humans NoteNoteNote-
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