Life Science Ch. 1 Flashcards
Organism
A living thing.
Cell
A small organism that we all depend on.
Unicellular
An organism that only has one cell.
Multicellular
An organism that has multiple cells.
Spontaneous Generation
The theory that organisms randomly appear.
Homeostasis
A condition in which an animals condition remains stable despite changes.
Evolution
Change over time.
Classification
The process to classify/name an organism.
Species
A group of similar animals.
Genus
A category that name closely related organisms.
Taxonomy
The study of how living things are classified.
Domain
The basic level of classification.
Virus
A tiny nonliving particle that enters then reproduces in a living organism.
Host
An organism that provides a home for bacteria and other tiny organisms.
Vaccine
A tiny part of a virus meant to help an immune system learn to fight that disease.