Lesson 1 Flashcards
(16 cards)
An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food
Autotroph
The basic unit of structure and function in living things
Cell
An organism that cannot make its own food and gets food by consuming other living things
Heterotroph
The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment
Homeostasis
The mistaken idea that living things arise from non living sources
Spontaneous generation
Any change or signal in the environment that can make an organism react in some way
Stimulus
Made of a single cell
Unicellular
Consisting of many cells
Multicellular
A trait that can help identify something
Characteristic
An action or change in behavior that occurs as a result of a stimulus
Response
A living thing
Organism
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Species
The scientific study of how living things are classified. (18.)
Taxonomy
The process of grouping things based on their similarities. (397.)
Classification
Change over time; the process by which modern organisms have descended by ancient organisms
Evolution
The most basic level of organization In classification of organisms
Domain