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Building Plans of Organisms. 1. Life: how is it classified ? 1a. Life subdivided by function 1b. Life subdivided by family 2. Family relationships of Phyla. H 2 O + CO 2 <-> CH 2 O + O 2.
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Building Plans of Organisms • 1. Life: how is it classified? 1a. Life subdivided by function 1b. Life subdivided by family • 2. Family relationships of Phyla
H2O + CO2 <-> CH2O + O2 Lifedivided by function: • Producers: (photosynthesis and chemosynthesis): make organic matter autotrophs. • Consumers: use organic matter (heterotrophs). • Decomposers: use organic matter, return constituents to environment (heterotrophs).
PLANTS ANIMALS Life traditional STAY IN PLACE, PHOTOSYNTHESIS WALK & EAT
Life MONERA NO NUCLEUS Five kingdoms (1960s-1990s) ANIMALIA: NUCLEUS MANY CELLS HETEROTROPHS PROTISTA: NUCLEUS ONE CELL AUTOTROPHS/ HETEROTROPHS PLANTAE: NUCLEUS MANY CELLS AUTOTROPHS FUNGI: (NUCLEUS) MANY CELLS HETEROTROPHS
THREE DOMAINS Many kingdoms Life 2. BACTERIA: NO NUCLEUS NO ‘JUNK DNA’ AUTO/HETEROTROPHS 3. EUKARYA: NUCLEUS ‘JUNK DNA’. 1. PROTISTA 2. ANIMALIA 3. FUNGI 4. PLANTAE 1. ARCHAEA: NO NUCLEUS, ‘JUNK DNA’ AUTO/HETEROTROPHS