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Biology Unit 1
Chapters 1-5
11
Biology
Undergraduate 1
09/26/2016

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Term
Biology
Definition
Scientific study of life
Term
7 characteristics of living things
Definition
1. Order
2. Evolutionary Adaption
3. Response to Environment
4. Reproduction
5. Growth and Development
6. Energy Processing
7. Regulation of Internal Body Conditions
Term
Types of Adaptation
Definition
Evolutionary: Species change in response to environment
Adimation: Body gains fat in winter to protect from cold
Term
Cell
Definition
Lowest level of organization that can preform all activities
required for life
Enclosed by membrane
Use DNA as genetic information
Multicellular or Unicellular
Term
Prokaryotic Cell
Definition
No nucleus of organelles
Term
Eukaryotic Cell
Definition
DNA containing nucleus and membrane
Enclosed organelles
Term
Biological Heirarchy
Definition
1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Organism
6. Organ/Organ system
7. Tissue
8. Cell
9. Organelle
10. Molecule
Term
Taxonomic Heirarchy
Definition
1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus
7. Species
Domain is highest level or organization
Term
Binomical Nomenclature
Definition
Genus species
Either underlined or in italics
Term
Domains
Definition
Bacteria: Prokaryotic, unicellular
Archaea: prokaryotic, unicellular, molecular differences
Eukarya: eukaryotic, unicellular or multicellular
Term
Natural Selection
Definition
Charles Darwin
Individuals best suited to their environment are more likely to survive and reproduce
Finches
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