IndivdualsEnergyandnatrientrelationsIndividualsENERGYANDNUTRIENTRELATIONS
Individuals Energy and nutrient relations ENERGY AND NUTRIENT RELATIONS Individuals
IndiidualsEnergy andnutrientrelationsxOrganismsone ofthreeusemain sourcesofenergy : lightorganic molecules, or inorganicmolecules.TFEECEOr
Individuals Energy and nutrient relations ❖ Organisms use one of three main sources of energy : light, organic molecules, or inorganic molecules
IndividualsEnergyandnutrientrelationsHeterotrophiePhotosyntheticChemosyntheticBacteriaBacteria draw on a greatervariety of energy sources thanProtistsany other group of organisms.Protists include manyPlantsheterotrophic andphotosyntheticspecies·Autotrophs(self-feeders)Plants are mainly photosynthetic,Fungiwith a fewheterotrophic speciesPhotosynthetic,chemosyntheticFungi and animalsAnimalsHeterotrophs(other-feeders)Trophic(feeding)biologyFIGURE6.2Trophic diversity across the biological kingdoms
Individuals Energy and nutrient relations • Autotrophs(self-feeders) Photosynthetic , chemosynthetic • Heterotrophs(other-feeders) Trophic(feeding) biology
IndivdualsEnergyandnutrientrelationsUsing Light and CO2
Individuals Energy and nutrient relations ➢ Using Light and CO2
IndividualsEnergyandnutrientrelations.Wave, photon.infraredvisiblelight(<400nm),light(400-700nm), ultraviolet light·Photosyntheticlly active radiationPAR.·(solar energy:53% infrared light, 45% visible light, 2%ultraviolet light)Photon flux density(number of photos μumol /m?.s)
Individuals Energy and nutrient relations •Wave, photon •infrared light(<400nm), visible light(400-700nm), ultraviolet light. •Photosyntheticlly active radiation, PAR. •(solar energy: 53% infrared light, 45% visible light, 2% ultraviolet light) •Photon flux density(number of photos mol /m2 .s)