Chapter One Flashcards
Autotroph
An organism that is able to capture energy from sunlight or chemicals and use it to produce food
Heterotroph
An organism that cannot make its own food and gets food by consuming other living things
Cell
The basic unit of structure and function of living things
Organism
Any living thing
Unicellular
Made of a singled cell
Multicellular
Consisting of many cells
Response
An action or change in behavior that occurs as a result of a stimulus
Stimulus
Any change or signal in the environment that can make an organism react in some way
Homeostasis
The condition in which an organisms internal environment is kept stable in spite of changes in the external environment
Characteristic
A trait to help indetify something
Spontaneous generation
The mistaken idea that living things arise from non living sources
Species
A group of similar that can mate with each other and produce offspring that can also mate and reproduce
Taxonomy
The scientific study of how living things are classified
Domain
The most basic level of organization in the classification of organisms
Classification
The process of grouping things based on their similarities