Tissue
Similar type of cells that work together for a similar purpose
Community
Different types of organisms that may interact in a particular area
Ecosystem
Different types of organisms plus abiotic components of the environment necessary for their existence
Biosphere
Portions of the atmosphere, ocean, and land where life exists on Earth
Categorizing life
Domain Kingdom Phylum Class Order Family Genus Species
Three domains
Archaea
Eukaryota
Bacteria
Bacteria and Archaea are what kind of organisms?
Single-celled with prokaryotic cell types
Eukaryotic cell structure
DNA in nucleus
Membrane bound organelles
Prokaryotic cell
Lack a nucleus
No membrane-bound organelles
Four eukaryotic kingdoms
Animals
Plants
Protists
Fungi
Characteristics of a living organism