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Biology: Vocabulary Quiz #1 (on Chapter 1)
Vocabulary words in Chapter 1, both in the textbook and in class.
17
Biology
11th Grade
09/21/2011

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Term
biosphere
Definition
All of the environments on Earth that support life -- most regions of land, bodies of water, and the lower atmosphere.
Term
ecosystem
Definition
All of the organisms living in a particular area, as well as the nonliving, physical components of the environment with which the organisms interact, such as air, soil, water, and sunlight.
Term
community
Definition
The entire array of organisms inhabiting a particular ecosystem.
Term
population
Definition
All of the individuals of a species living in a specified area.
Term
organism
Definition
An individual living thing.
Term
organ system
Definition
A system that consists of several organs that work together in performing specific functions.
Term
organ
Definition
A structure consisting of several tissues adapted as a group to perform specific functions.
Term
tissue
Definition
An integrated group of cells with a common function, structure, or both.
Term
cell
Definition
A basic unit of living matter separated from its environment by a plasma membrane; the fundamental structural unit of life.
Term
organelle
Definition
A membrane-enclosed structure with a specialized function within a cell.
Term
molecule
Definition
A group of two or more atoms held together by covalent bonds.
Term
consumer
Definition
An organism that obtains its food by eating plants or by eating animals that eat plants.
Term
producer
Definition
An organism that makes organic food molecules from carbon dioxide, water, and other inorganic raw materials, such as a plant.
Term
emergent properties
Definition
New properties that emerges with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases.
Term
systems biology
Definition
An approach to studying biology that aims to model the dynamic behavior of whole biological systems.
Term
eukaryotic cell
Definition
A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms except bacteria and archaea are composed of eukaryotic cells.
Term
prokaryotic cell
Definition
A type of cell lacking a membrane-enclosed nucleus and other membrane-enclosed organelles.
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