The basic unit of structure and function in living things.

Any change or signal in the environment that can make an organism react in some way.

An action or change in behavior that occurs as a result of a stimulus.

The process of change that occurs during an organism's life to produce a more complex organism.

A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent.

A reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents.

spontaneous generation

The mistaken idea that living things arise from nonliving sources.

controlled experiment

An experiment in which only one variable is manipulated at a time.

An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.

An organism that cannot make its own food and gets food by consuming other living things.

The condition in which an organism's internal environment is kept stable in spite of changes in the external environment.

The process of grouping things based on their similarities

The scientific study of how living things are classified.

binomial nomenclature

The classification system in which each organism is given a unique, two-part scientific name indicating its genus and species.

A classification grouping that consists of a number of similar, closely related species.

A group of closely related animals of the same species that work together in a highly organized way for the benefit of the group.

A unicellular organism that lacks a nucleus and some other cell structures

1. In cells, a large oval organelle that contains the cell's genetic material in the form of DNA and controls many of the cell's activities.

An organism whose cells contain a nucleus.

The combination of chemical reactions through which an organism builds up or breaks down materials.

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Ch 1

Question	Answer
organism	A living thing.
cell	The basic unit of structure and function in living things.
unicellular	Made of a single cell.
multicellular	Consisting of many cells.
stimulus	Any change or signal in the environment that can make an organism react in some way.
response	An action or change in behavior that occurs as a result of a stimulus.
development	The process of change that occurs during an organism's life to produce a more complex organism.
asexual reproduction	A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent.
sexual reproduction	A reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents.
spontaneous generation	The mistaken idea that living things arise from nonliving sources.
controlled experiment	An experiment in which only one variable is manipulated at a time.
autotroph	An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.
heterotroph	An organism that cannot make its own food and gets food by consuming other living things.
homeostasis	The condition in which an organism's internal environment is kept stable in spite of changes in the external environment.
classification	The process of grouping things based on their similarities
taxonomy	The scientific study of how living things are classified.
binomial nomenclature	The classification system in which each organism is given a unique, two-part scientific name indicating its genus and species.
genus	A classification grouping that consists of a number of similar, closely related species.
species	A group of closely related animals of the same species that work together in a highly organized way for the benefit of the group.
prokaryote	A unicellular organism that lacks a nucleus and some other cell structures
nucleus	1. In cells, a large oval organelle that contains the cell's genetic material in the form of DNA and controls many of the cell's activities.
eukaryote	An organism whose cells contain a nucleus.
metabolism	The combination of chemical reactions through which an organism builds up or breaks down materials.

Created by: mperez985

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