Hierarchy Flashcards
Molecule
Particle formed when atoms share electrons.
Cell
The smallest functional unit of an organism.
Tissue
A group of similar cells that work together to do a job.
Organ
Several different types of tissues that work together to perform a function.
Organ system
Group of organs that are interdependent and work together to perform a function
Organism
One single living individual
Population
All individuals of a single species in a given area
Community
All species in an ecosystem,only includes living things
Ecosystem
Includes all living organisms and non living matter such as, air, water, and minerals
Biosphere
The ecosystem comprising the entire earth and the living organisms that inhabit it