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August 25, 2009August 25, 2009
Chapter 1 Section 1 NotesChapter 1 Section 1 Notes
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Chapter 1-How do we classify life?Chapter 1-How do we classify life?
Biology: ______________________, how Biology: ______________________, how do we study all of life?do we study all of life? No one can study everything-we use a No one can study everything-we use a
hierarchy.hierarchy. Hierarchy- Hierarchy-
_____________________________________________________________________________________________________._________________________________.
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Hierarchy of LifeHierarchy of Life
Molecules
Cell
Organism
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MoleculesMolecules The ___________________________________ go into making life. The ___________________________________ go into making life. _________________- Deoxyribo-Nucleic Acid- is the molecule of _________________- Deoxyribo-Nucleic Acid- is the molecule of
____________________________________.____________________________________. ______________________-DNA goes into making up genes that ______________________-DNA goes into making up genes that
code for traits.code for traits. Other molecules include proteins, carbohydrates, lipids (fats), Other molecules include proteins, carbohydrates, lipids (fats),
minerals, and water.minerals, and water.
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CellCell
The Cell is the The Cell is the _________________________._________________________.
Lots of molecules go into making up a cell.Lots of molecules go into making up a cell. All living things are made of All living things are made of
___________________________.___________________________. Unicellular-________________ celled Unicellular-________________ celled
creature.creature. Multicellular- a creature made of Multicellular- a creature made of
________________________ cell.________________________ cell.
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OrganismsOrganisms
___________________ are made of one ___________________ are made of one or more cells.or more cells.
Organisms are Organisms are __________________________________________________________________..
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PopulationPopulation
A group of the A group of the ___________________________________________________________________________________________________. _______________________________. Ex: a population of rock bass in a pond.Ex: a population of rock bass in a pond.
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CommunityCommunity
_______________________ that live in a _______________________ that live in a common area is called a common area is called a ____________________.____________________.
Ex: the life in a pond is a community, the Ex: the life in a pond is a community, the life on a beach dune is a community.life on a beach dune is a community.
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EcosystemEcosystem
A A ______________________________________________________________________________________________________________________________________________________________________________________________________________ __ ecosystemecosystem..
Ex: a desert ecosystem includes cacti, Ex: a desert ecosystem includes cacti, sand, sunlight, snakes, etc.sand, sunlight, snakes, etc.
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BiosphereBiosphere
All parts of the planet that are All parts of the planet that are ______________________________________________________________________________________________________ __________________________________ biospherebiosphere..
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HomeworkHomework
Re-Read Chapter One!Re-Read Chapter One! Do questions 1-3 on page 6.Do questions 1-3 on page 6.