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Levels of Organization. ATOMS Smallest part of matter NON-living. Molecules 2 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.
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ATOMS • Smallest part of matter • NON-living
Molecules • 2 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