Introduction to EcologyIntroduction to EcologyBy Mr. “Blending” ChapmanBy Mr. “Blending” Chapman
Earth’s HistoryEarth’s History Earth is about 4.5 Billion years old.Earth is about 4.5 Billion years old.Determined the earth’s age by usingDetermined the earth’s age by usingradioactive dating.radioactive dating.
First LifeFirst Life Lighting help fused pieces togetherLighting help fused pieces togetherto form the first cell, which was?to form the first cell, which was? Prokaryotic and heterotrophic.Prokaryotic and heterotrophic.
EcologyEcology What is Ecology?What is Ecology? EcologyEcology – is the study of– is the study ofinteractions between biotic (living)interactions between biotic (living)and abiotic (nonliving) factors in anand abiotic (nonliving) factors in anenvironment.environment.
What is the EnvironmentWhat is the Environment Environment – isEnvironment – iseverything aroundeverything aroundus (biotic/abiotic).us (biotic/abiotic). ““The environmentThe environmentis everything thatis everything thatisn’t me.”isn’t me.”Albert EinsteinAlbert Einstein
EnvironmentEnvironment Examples:Examples: Air, water, energy, animals, plantsAir, water, energy, animals, plants Is a very complex web ofIs a very complex web ofrelationships.relationships.
Levels of OrganizationLevels of OrganizationGoing to use a stream for an exampleGoing to use a stream for an example
Ecology VocabularyEcology Vocabulary 1.1. OrganismOrganism – an individual living– an individual livingthing.thing. (animal, plant, fungi)(animal, plant, fungi)
Ecology VocEcology Voc 2.2. PopulationPopulation – all of the members– all of the membersof a species that live in one place atof a species that live in one place atone time.one time.
Ecology VocEcology Voc 3.3. CommunityCommunity – all of the living– all of the livingorganisms in an area.organisms in an area.
Levels of OrganizationLevels of Organization 2. Ecosystems2. Ecosystems – an area that– an area thatincludes all of the organisms andincludes all of the organisms andnonliving factors found in a particularnonliving factors found in a particularplaceplace• Ex. Stream EcosystemEx. Stream Ecosystem LivingLiving – fish, algae, turtles, bacteria,– fish, algae, turtles, bacteria,insects, aquatic plantsinsects, aquatic plants NonlivingNonliving – chemicals, pH, amount of– chemicals, pH, amount ofsunlightsunlight