Q.O.D.

What is the overall theme of the Ecology Unit?

Q.O.D.What is the major difference

between how energy and how nutrients move through the

ecosystem?

Chapter 18Chapter 18

Introduction to EcologyIntroduction to Ecology

Section 1: Intro EcologySection 1: Intro Ecology• Ecology definedEcology defined

• InterdependenceInterdependence

• Levels of organizationLevels of organization

• BiosphereBiosphere

• EcosystemEcosystem

• CommunityCommunity

• PopulationPopulation

• OrganismOrganism

Chapter 18Section 1 Introduction to Ecology

Chapter 18Section 1 Introduction to Ecology

Section 2: Ecology of OrganismsSection 2: Ecology of Organisms• Biotic/Abiotic factorsBiotic/Abiotic factors

• Responses to changing EnvironmentResponses to changing Environment

• Tolerance curves (Figure 18-5, p. Tolerance curves (Figure 18-5, p. 364)364)

• Acclimation (Acclimation (notnot adaptation) adaptation)

• Conformers/RegulatorsConformers/Regulators

• Escape – dormancy/MigrationEscape – dormancy/Migration

• ResourcesResources

• The NicheThe Niche

• Fundamental/RealizedFundamental/Realized

• Generalists/SpecialistsGeneralists/Specialists

Section 3: Energy Section 3: Energy TransferTransfer• ProducersProducers

• Chemosynthesis/ChemoautotrophsChemosynthesis/Chemoautotrophs

• Photosynthesis/PhotoautotrophsPhotosynthesis/Photoautotrophs

• Primary Productivity – Gross v. NetPrimary Productivity – Gross v. Net

• ConsumersConsumers

• HerbivoresHerbivores

• CarnivoresCarnivores

• OmnivoresOmnivores

• DetrtivoresDetrtivores

• DecomposersDecomposers

• Energy FlowEnergy Flow

• Trophic levelsTrophic levels

• Food chains v. Food websFood chains v. Food webs

• Transfer efficiencyTransfer efficiency

• LimitationsLimitations

Chapter 18Section 3 Energy Transfer

Chapter 18Section 3 Energy Transfer

Chapter 18Section 3 Energy Transfer

Section 4: Ecosystem RecyclingSection 4: Ecosystem Recycling

• Water CycleWater Cycle

• Carbon cycleCarbon cycle

• Nitrogen cycleNitrogen cycle

• Nitrogen-fixationNitrogen-fixation

• Nitrogen-fixing bacteriaNitrogen-fixing bacteria

• AmmonificationAmmonification

• NitrificationNitrification

• DenitrificationDenitrification

• Phosphorus CyclePhosphorus Cycle

Chapter 18Section 4 Ecosystem Recycling

Chapter 18Section 4 Ecosystem Recycling

Chapter 18Section 4 Ecosystem Recycling