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Branches of Biology
The Molecular Level• Study the molecular
units of life.
The Molecular Level• Study the molecular
units of life.• Investigate the workings of DNA.
The Molecular Level• Study the molecular
units of life.• Investigate the workings of DNA.• Study basic organic molecules
(protein, fat, carbohydrate…)
The Molecular Level• Study the molecular units of life.• Investigate the workings of
DNA.• Study basic organic
molecules (protein, fat, carbohydrate…)
Example: A scientist studies the effect of drugs on molecules
The Cellular Level• Studies cells.
The Cellular Level• Studies cells.• Studies how cells divide
The Cellular Level• Studies cells.• Studies how cells divide• Studies the structure and
function of a cell
The Cellular Level• Studies cells.• Studies how cells divide• Studies the structure and
function of a cellExample:Scientists look at what happens to
cancer cells exposed to tobacco.
The Multicellular Level• Studies Multicellular Organisms.
Zoologists set up bat traps
The Multicellular Level• Studies Multicellular Organisms.• Animal behavior
Zoologists set up bat traps
The Multicellular Level• Studies Multicellular Organisms.• Animal behavior• Plant and animal structure and
function.
Zoologists set up bat traps
The Multicellular Level• Studies Multicellular Organisms.• Animal behavior• Plant and animal structure and
function.Example:A zoologist looks at the changes in
an organism as it ages.
Zoologists set up bat traps
The Population Level• Studies groups of organisms.
Zoologists set up bat traps
The Population Level• Studies groups of organisms.• How does a population interact
with the environment.
Zoologists set up bat traps
The Population Level• Studies groups of organisms.• How does a population interact
with the environment.• What is the effect of humans on
nearby life.
Zoologists set up bat traps
The Population Level• Studies groups of
organisms.• How does a population
interact with the environment.• What is the effect of
humans on nearby life.
Example:An ecologist looks at how
pesticides effects the local insect population.
Zoologists set up bat traps
The Global Level• Study organisms and the
environment on a global scale.
The Global Level• Study organisms and the
environment on a global scale.Example:How does global warming effect
the number of species worldwide?
The Global Level• Study organisms and the
environment on a global scale.Example:How does global warming
effect the number of species worldwide?
Why does the world fish population drop during El Nino?
Name That Level of Biology!!
Studies a pride of lions over mating season
Studies a pride of lions over mating season
Population Level
Which chemical works best to block the hormones.
Which chemical works best to block hormones.
Molecular Level
Which chemical works best to block hormones.
Molecular Level
How does a cell remove respiratory wastes
How does a cell remove respiratory wastes
Cellular Level
Student Handout
Branches of Biology Handout
Branch Description What is studied? Real World Examples
Branches of Biology