The basic unit of structure and function in living things

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

Any change or signal in the enviorment 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 in an organisms life to produce a more complex organism

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

A reproductive process that involves two parents that combine the 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 things.

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

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 similar organisms that can mate with each other and produce offspring that can also reproduce.

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

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

An organism whose cells contain a nucleus.

Change over time; the process by which modern organisms have descended from ancient organisms.

branching tree diagram

A diagram that shows probable evolutionary relationships among organisms and the order in which specific characteristics may have evolved

shared derived characteristic

A characteristic or trait, such as fur, that the common ancestor of a group had and passed on to its descendants

The process by which unrelated organisms evolve similar characteristics

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Ch 1 Living Things

Term	Definition
organism	A living thing.
cell	The basic unit of structure and function in living things
unicelllar	Made of a single cell
multicellular	Consisting of many cells.
metabolism	The combination of chemical reactions through which an organism builds up or breaks down
stimulus	Any change or signal in the enviorment 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 in an organisms life to produce a more complex organism
asexual reproduction	A reproductive process that involves only one parent and produces offspring that are generally identical to the parent
sexual reproduction	A reproductive process that involves two parents that combine the 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 things.
homeostasis	The condition in which an organism's internal enviorment is kept stable in spite of changes in the external enviorment
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 similar organisms that can mate with each other and produce offspring that can also reproduce.
prokaryote	A unicellular organism that lacks a nucleus and some other cell structures.
nucleus	In cells a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities.
eukaryote	An organism whose cells contain a nucleus.
evolution	Change over time; the process by which modern organisms have descended from ancient organisms.
branching tree diagram	A diagram that shows probable evolutionary relationships among organisms and the order in which specific characteristics may have evolved
shared derived characteristic	A characteristic or trait, such as fur, that the common ancestor of a group had and passed on to its descendants
convergent evolution	The process by which unrelated organisms evolve similar characteristics

Created by: jdreslinski002

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