Chapter 15
: Ecosystems and Communities
weevil
BRING
Parmelia
LICHEN
and
COMPASS
plant. Room 1307 dissecting scope cabinet has lichen.
biomes-terrestrial
PREVIEW
Chicago rainfall: < 1m. Deadliest Catch=Bering Sea crabs; Coniferous=biogeography; penguins antarctic
BBC-PlanetEarth/3.3_ShallowSeas
1:20 Humpback calf drinks 500 l milk/day in tropic; 44 reach poles, 45:10 5M Shearwaters
4:10 Coral reef
biomes-aquatic
non-flowing=stagnant mosquitoes
energy_flow
This is
GOPHER
large yellow incisors, not
GROUNDHOG
white small teeth. Are you
HERBIVORE
carnivore, omnivore?
Trophic cascade in Yellowstone
: wolves and deer and forests and rivers
parasite
DoQ
parasite is consumer! Are
YOU
a parasite? Financial assistance from parents
Zombie Snails
BBC-PlanetEarth/3.2_Jungles/#26:10
Cordyceps fungus
Cordyceps: a killer fungus
: is it a decomposer? Parasite?
Lancet fluke
: mind control parasite
decomposers
Anyone a
DETRITIVORE
do you eat chicken, lettuce/cucumber?
A golden detritivore
Operation Dung Beetle
: David Attenborough
energy_pyramid
How much food have you eaten?
food_web
Hawk on WEASEL? Raccoon or snake. Who eats human?
cycle_carbon
387 ppm=0.04%. Incomplete cycle: some carbon locked in
SUGAR
cellulose!
WATER
cycle: fish
PEE
get virgin water from transpiration!
Water cycle
===
#7epost 6=C 1,500,000 species
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Peter Chen