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Biology 1001 - Section 1.1
The Study of Life Reveals Common Themes - Chapter 1 - Evolution, The Themes of Biology, and Scientific Inquiry
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Biology
Undergraduate 1
09/23/2017

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Term
What is reductionism?
Definition
An approach where we zoom in at ever-finer resolutions, which reduces complex systems to simpler components that are more manageable to study.
Term
What is the biosphere?
Definition
Consists of all life on Earth and all the places where life exists.
Term
What is an ecosystem?
Definition
Consists of all the living things in a particular area, along with all the nonliving components of the environment with which life interacts.
Term
What are communities?
Definition
The array of organisms inhabiting a particular ecosystem; the set of populations that inhabit a particular area.
Term
What is a population?
Definition
Consists of all the individuals of a species living within the bounds of a specified area.
Term
What are organisms?
Definition
Individual living things.
Term
What are organs?
Definition
Body parts that carry out a particular function in the body. They consist of multiple tissues.
Term
What are organ systems?
Definition
Teams of organs that cooperate in a larger function.
Term
What are tissues?
Definition
A group of cells that work together, performing a specialized function.
Term
What are cells?
Definition
Life's fundamental unit of structure and function. A unicellular organism performs all the functions of life; a multicellular organism has a division of labour among specialized cells.
Term
What are organelles?
Definition
The various functional components present in cells.
Term
What are molecules?
Definition
A chemical structure consisting of two or more units called atoms.
Term
What is a species?
Definition
Each form of life.
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