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sub atomic particles atoms simple molecules complex molecules (=macromolecules) organelles cells tissues organs. (electrons…). (circulatory, respiratory, nervous…). organ systems organisms populations species ecosystems biomes Gaia …and beyond. (C, N, O, H…).
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sub atomic particles atoms simple molecules complex molecules (=macromolecules) organelles cells tissues organs (electrons…) (circulatory, respiratory, nervous…) organ systems organisms populations species ecosystems biomes Gaia …and beyond (C, N, O, H…) (62 in this room, plus billions more) (H2O, CO2, ammonia, phosphates…) (interbreeding mem- bers of a species) (carbohydrates, lipids, proteins, nucleic acids…) (humans, fruit flies, gingko trees, bread mold…) (nucleus, mitochondria, ER, ribosomes…) (seashore, rainforest canopy, coastal dunes, deep sea…) viruses/ prions “living” organisms (aquatic, desert, forest, grassland, tundra) (skin cell, muscle cell, nerve cell…) (epithelium, muscle, nervous…) (earth) multicell- ularity (brain, heart, kidney, intestine…)
cellulose three different polysaccharides which ones can we digest? starch … … chitin