Hierarchy Flashcards
Cell
The smallest functional unit of an organism
Molecule
Particle formed when atoms share electrons
Tissue
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
Groups of organs that are interdependent and work together to perform a function
Organism
One single living organism
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.