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Gaia Gaia HypothesisHypothesis
BiomesBiomes
Planet EarthPlanet Earth
Earth’s TiltEarth’s Tilt
Climate ZonesClimate Zones
Earth’s Earth’s atmosphereatmosphere
Atmospheric Atmospheric DensityDensity
Air Air density density
drops with drops with altitudealtitude
TemperatureTemperature
TemperatureTemperature
Temperature Temperature drops with drops with
altitudealtitude
BiomesBiomesTemperature Temperature
RainfallRainfall
TundraTundraFrozen SubsoilFrozen Subsoil
Few TreesFew Trees
Migratory Migratory birdsbirds
Reindeer, Reindeer, moosemoose
TaigaTaigaBoreal forestBoreal forest
Coniferous Coniferous TreesTrees
More Varied More Varied faunafauna
Deciduous ForestDeciduous ForestTemperateTemperate
SeasonalSeasonalLeaf dropLeaf drop
Varied wildlifeVaried wildlife
Tropical Tropical RainforestRainforest
Daily rainfallDaily rainfall
Little Little temperature temperature
variationvariation
BiodiverseBiodiverse
GrasslandsGrasslandsSeasonal Seasonal
temperature temperature variationvariation
Low rainfallLow rainfall
HerbivoresHerbivores
DesertDesertVery aridVery arid
Day/Night Day/Night temperature temperature
variationvariation
Small animalsSmall animalsreptilesreptiles
ChaparralChaparralMediterraneanMediterranean
CaliforniaCalifornia
Seasonal rainSeasonal rain
Fire danger in Fire danger in off seasonoff season
CoastalCoastal
Salt WaterSalt Water
Euphotic Euphotic Zone:Zone:
Most of Most of PhotosynthesiPhotosynthesi
ss
PelagicPelagic
Open OceanOpen Ocean
Phytoplankton Phytoplankton for for
PhotosynthesisPhotosynthesis
Limited Limited NutrientsNutrients
Coral ReefCoral Reef
Warm clear Warm clear waterwater
Very Very BiodiverseBiodiverse
EstuaryEstuarySalt/Fresh Salt/Fresh
water Boundarywater Boundary
Nutrients & Nutrients & SedimentSediment
Tidal Tidal DependanceDependance
Lakes & PondsLakes & Ponds
Fresh WaterFresh Water
TurnoverTurnover
Lots of Lots of NutrientsNutrients
Streams & RiversStreams & Rivers
Oxygen Oxygen depleteddepleted
Seasonal Seasonal turnoverturnover
Hydrothermal Hydrothermal VentsVents
Located at Located at plate plate
boundaries boundaries and hot spotsand hot spots
chemosynthetchemosyntheticic
Terrestrial SuccessionTerrestrial Succession
Depends on Climate and SoilDepends on Climate and Soil
Terrestrial SuccessionTerrestrial SuccessionClimax community
Aquatic Aquatic SuccessionSuccession
EutrophicationEutrophication
Accelerated Accelerated by addition of by addition of
fertilizersfertilizers
Biome inhabitantsBiome inhabitants
Interspecific Interspecific InteractionsInteractions
Predator - preyPredator - prey
PredatorPredator PreyPrey
LargerLarger smallersmaller
Less AbundantLess Abundant More abundantMore abundant
AdaptationsAdaptations
CamouflageCamouflage
AdaptationsAdaptations
MimicryMimicry
MonarchMonarch viceroyviceroy
AdaptationsAdaptations
Startle ColorationStartle Coloration
SwallowtailSwallowtail peacock mothpeacock moth
AdaptationsAdaptations
Chemical warfareChemical warfare
Interspecific Interspecific InteractionsInteractions
HostHost ParasiteParasite
Bigger Bigger smaller smaller
Provides home Provides home SpecializedSpecialized
Reproduce Reproduce faster faster
ParasitismParasitism
Brood ParasitismBrood Parasitism
ParasitismParasitism
Social ParasitismSocial Parasitism
ParasitismParasitism
ParasitoidsParasitoids
ParasitismParasitismPlant ParasitesPlant Parasites
RafflesiaRafflesia
MutualismMutualismMutually beneficial symbiosisMutually beneficial symbiosis
cooperationcooperation
Oxpecker and impalaAnts and acacia
MutualismMutualismCoevolution of speciesCoevolution of species
Greater Honeyguide
ExtinctionExtinctionAlready GoneAlready Gone
Greater Honeyguide
ExtinctionExtinctionFactors: Low Population DensityFactors: Low Population Density
Amur Leopard
South China Tiger
ExtinctionExtinctionFactors: Loss of HabitatFactors: Loss of Habitat
Silky Sifafka
ExtinctionExtinctionFactors: SpecializationFactors: Specialization
Giant Panda
ExtinctionExtinctionFactors: Human ActivityFactors: Human Activity
Saiga Antelope
16501650Factors: DeforestationFactors: Deforestation
18501850Factors: DeforestationFactors: Deforestation
19261926Factors: DeforestationFactors: Deforestation
Biodiversity Biodiversity SuccessesSuccesses
DNA Showed Malayan tiger to be a DNA Showed Malayan tiger to be a New subspeciesNew subspecies
Biodiversity Biodiversity SuccessesSuccesses
Recovery of previously endangered speciesRecovery of previously endangered speciesNow delistedNow delisted
Biodiversity Biodiversity SuccessesSuccesses
Discovery of new foods and drugsDiscovery of new foods and drugs
Madagascar periwinkle
mangosteens
Biodiversity Biodiversity SuccessesSuccesses
Sustainable harvestingSustainable harvesting
Invasive SpeciesInvasive Specieskudzukudzu
Introduced in 1876 as a forage and ornamental plant
Invasive SpeciesInvasive SpeciesZebra musselsZebra mussels
Accidentally imported
Invasive SpeciesInvasive SpeciesGypsy MothGypsy Moth
SnailsSnailsDeliberately imported
Invasive SpeciesInvasive SpeciesScotch BroomScotch Broom