Ch. 1 Vocab Flashcards
Smallest unit of life
CELL
A group of similar cells that perform a particular function.
TISSUE
Several tissues join together to form an…
ORGAN
Organs work together to form an…
ORGAN SYSTEM
An individual;complex individuals contain organ systems
ORGANSISM
Organisms of the same species in a particular area
POPULATION
Interacting populations in a particular area
COMMUNITY
A community plus the physical environment
ECOSYSTEM
Regions of the earths crust waters and atmosphere inhabited by living organisms
BIOSPHERE
Smallest unit of an element; composed of electrons, protons, and neutrons
ATOM
Union of two or more atoms of the same or different elements
MOLECULE
The structural and functional unit of all living organisms
CELL
A group of cells with a common structure and function
TISSUE
Composed of tissues functioning together for a specific task
ORGAN
Composed of several organs working together
ORGAN SYSTEM
The capacity to do work
ENERGY