Levels of Biological Organization. Biosphere Our entire planet Earth and all its living inhabitants....
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Transcript of Levels of Biological Organization. Biosphere Our entire planet Earth and all its living inhabitants....
BiosphereBiosphere
Our entire planet Earth and all its living Our entire planet Earth and all its living inhabitants.inhabitants.
EcosystemEcosystem
Living things in a particular region and their Living things in a particular region and their nonlivingnonliving physical environment.physical environment.
PopulationPopulation
• Group of individuals of a particular type that Group of individuals of a particular type that live in the same area and actively interbreed live in the same area and actively interbreed with one another.with one another.
Organ systemOrgan system
• Body part arranged to carry out a particular Body part arranged to carry out a particular general function within the organism.general function within the organism.
OrganOrgan
• Group of tissues that perform specialized Group of tissues that perform specialized function.function.
CellCell
• The simplest entity that has all the The simplest entity that has all the properties of life.properties of life.
OrganelleOrganelle
• Structure that performs specialized function Structure that performs specialized function for the cell.for the cell.
AtomAtom
• The smallest unit of matter that still has The smallest unit of matter that still has distinct chemical properties.distinct chemical properties.
Subatomic particlesSubatomic particles
• Fundamental units of energy and matter.Fundamental units of energy and matter.
All levels can be grouped in 3:All levels can be grouped in 3:
• CellularCellular
• OrganismalOrganismal
• PopulationalPopulational
ReviewReview
• Clusters of atoms. Clusters of atoms. ((molecules)molecules)• Our entire planet earth. ( ? )Our entire planet earth. ( ? )• Independent individual. ( ? )Independent individual. ( ? )• Group of similar cells. ( ? )Group of similar cells. ( ? )• All of the various species living in the same All of the various species living in the same
area. ( ? )area. ( ? )• Structure that performs specialized function Structure that performs specialized function
for the cell. ( ? )for the cell. ( ? )
Question 1Question 1
• Which of the following is defined as “the Which of the following is defined as “the living part of an ecosystem?”living part of an ecosystem?”
• A. biosphere.A. biosphere.
• B. community.B. community.
• C. organism.C. organism.
• D. population.D. population.
• E. ecosystem.E. ecosystem.
Question 2Question 2
• Which of the following is defined as “group Which of the following is defined as “group of individuals of a particular type that live in of individuals of a particular type that live in the same area and actively interbreed with one the same area and actively interbreed with one another?”another?”
• A. ecosystem.A. ecosystem.• B. community.B. community.• C. population.C. population.• D. organism.D. organism.