Lessons 1-2 Flashcards
Autotroph
A organism that is able to capture energy from sunlight and chemicals to use it to produce its own food
Heterotroph
An organism that cannot make its own food and gets food by consuming other living things
Characteristic
typical of a particular person place or thing
Organism
A living thing
Cell
The basic unit of structure 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 in a result of a stimulus
Spontaneous generation
The mistaken idea that living things arise from non living sources
Homeostasis
The condition in which an organisms internal environment is kept stable in spite of changes in the external environment
Classification
The process of grouping things based on their similarities
Species
A group of similar organisms that mate with each other and produce offspring that can also mate and reproduce
Taxonomy
The scientific study of how living things are organized