Levels of Organization ATOMS • Smallest part of matter • NON-living Molecules • or more bonded atoms • Form compounds • NON-living Macromolecule • Very large molecules • Proteins, fats, carbohydrates, nucleic acids • NON-living Organelles • “Tiny organs” • Made of macromolecules Cell • Made of organelles • Basic unit of structure & function • LIVING Tissue • The same kind cell working together • Living Organs • Tissues that work together • Living Systems • Organs that work together • Living Organism • Entire living things (organisms) • Usually made of systems • May be a single cell • Living Population • Same type of organism living together Community • Several populations living together • Population interact Ecosystem • A biotic (living) community plus the abiotic (nonliving) features Biome • Similar ecosystems on earth together Biosphere • Whole living layer around the globe • Includes abiotic features http://people.hofstra.edu/geotrans/eng/ch8en/conc8en/envisys.html Atom Molecule Macromolecule Organelle Cell Tissue Organ System Organism Population Community Ecosystem Biome Biosphere [...]...Population • Same type of organism living together Community • Several populations living together • Population interact Ecosystem • A biotic (living) community plus the abiotic (nonliving) features Biome • Similar ecosystems on earth together Biosphere • Whole living layer around the globe • Includes abiotic features http://people.hofstra.edu/geotrans/eng/ch8en/conc8en/envisys.html... • Includes abiotic features http://people.hofstra.edu/geotrans/eng/ch8en/conc8en/envisys.html Atom Molecule Macromolecule Organelle Cell Tissue Organ System Organism Population Community Ecosystem Biome Biosphere