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Chapter 1 Section 2
Chap. 1 sec. 2
7
Biology
9th Grade
08/25/2009

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Term
kingdoms
Definition
the 6 kingdoms in which life is divided into, four of which are eukarya.
Term
Domains
Definition
major subdivisions of all organisms: bacteria, archaea, and eukarya.
Term
Ecology
Definition
branch of biology where you study the interactions between life.
Term
Ecosystems
Definition
communities of living organisms and their environment.
Term
Evolution
Definition
decent with modification,
Term
natural selection.
Definition
organisms that have certain favorable traits to better survive and reproduce then other organisms without these traits.
Term
adaptation
Definition
traits that improve an organisms ability to survive and reproduce.
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