Presentation on theme: "Levels of Organization & Relationships (2.1)"— Presentation transcript:
1 Levels of Organization & Relationships (2.1) State StandardSB4A. Investigate the relationships among organisms, populations, communities, ecosystems, and biomes.
2 Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsEcologyScientific discipline in which the ________________ among living organisms and the interaction the organisms have with their _______________ are studied.Ecologists ______________, _____________, and ____________ using a variety of tools and methods.
3 A ______________ layer around Earth. Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsThe BiosphereA ______________ layer around Earth.Extends several kilometers ______________ the Earth’s surface.Extends several kilometers _______________ the ocean’s surface.The term biosphere includes all organisms and the environments in which they live (___________ and ___________ factors).
4 Biotic Factors Abiotic Factors Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsBiotic Factors_______________ factors in an organism’s environment.Abiotic Factors________________ factors in an organism’s environment.Organisms ____________ to survive in the abiotic factors present in their _____________ environment.
5 Levels of Organization Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsLevels of OrganizationLevels _______ in complexity as the _________ and ___________ between organisms increase.Organism - IndividualsPopulation - includes all the ____________ in the same species in agiven area.Community - a collection of __________ that interact with each otherin a given area.Ecosystem - includes all biotic and abiotic __________in a given area.Biome – A group of ____________in the same region having similar typesof vegetation governed by similar climate conditions.Biosphere – all organisms and the ______________ in which they live.
6 Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsThe ______________ level of organization is the individual organism itself.Organisms of a single species that share the same geographic location at the same time make up a ____________.A _______________ is a group of interacting populations that occupy the same geographic area at the same time.
7 Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsAn ___________is a biological community and all of the abiotic factors that affect it.A __________ is a large group of ecosystems that share the same climate and have similar types of communities.
8 Ecosystem Interactions Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsEcosystem InteractionsA ____________ is an area where an organism lives.A ____________ is the role or position that an organism has in its environment.
9 Community Interactions Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsCommunity InteractionsCompetitionOccurs when more than one organism uses a resource at the __________ time____________Many species get their food by eating other organisms.
10 Symbiotic Relationships Chapter 2Principles of Ecology2.1 Organisms and Their RelationshipsSymbiotic RelationshipsThe close relationship that exists when two or more species live together_______________- ________ organisms benefit_______________- One benefits while the other is ___________________________- One benefits while the other is ____________
11 Clown Fish & Sea Anemone Bee & Flowering PlantMutualism