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protozoa's distribution
-most in moist habitats, free-living in aquatic, parasitic in plants and animals, in soil organic matter, important in food chains, medical importance
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algae
organism that contain chlorophyll - oxygenic photosynthesis , unicellular algae (phytoplankton in oceans), generate most oxygen, can be aquatic
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phyrophyta.
can be toxic, biolumence
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planktonic.
can be suspended in water column
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benthic
live attached to bottom of body of water
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neustronic.
at water/atmosphere interface
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terrestrial:
moist surfaces, can have symbiotic relationships
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algae's nutrition.
most are photoautotroph, some use chemical for growth (chemoorganoheterotrophs)
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Fungi.
decomposers of organic matter, can reproduce by sexual/asexual means, cell wall: polysaccharide (made of chitin) - not in plants
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fungi's distribution
mostly terrestrial
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measure cell mass?
dry weight, protein, DNA, turbidity, using spectrophotometer
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psychrophiles
cold, 0-20 degrees
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obligate aerobe
need oxygen
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facultative anaerobe.
prefer oxygen
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aerotolerant anaerobe
ignore oxygen
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strict anaerobe.
oxygen is toxic
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microaerophile.
<2-10% oxygen
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