Vocabulary
 

population	community	ecosystem	biome
biosphere	food chain	food web	autotroph
heterotroph	decomposer	carnivore	herbivore
omnivore	detritivore	J curve (exponential)	S curve (logistic)
carrying capacity	limiting factors	density independent limiting factors	density dependent limiting factors
biotic potential	abiotic factors	biotic factors	competition
predation	symbiosis	mutualism	parasitism
commensalism	ecological succession	primary succession	secondary succession
habitat	niche	DDT	biomagnification/bioaccumulation
ozone depletion	global warming	greenhouse effect	trophic level
CFC	algal bloom	eutrophication

Concepts

• list/differentiate between the four main threats to biodiversity (habitat loss, habitat destruction, habitat fragmentation, exotic species)
• nutrient cycles...N, P, C, H₂O  [abiotic vs biotic]
• energy pyramid...how much is actually passed from one trophic level to the next; what happens to the rest?
• pyramid of numbers; biomass pyramid
• trophic levels: what is on each step (ex- 3rd order consumer...)
• main characteristics of major biomes (climate, latitude range, characteristic organisms)
• order of appearance of organisms during succession, beginning with a pioneer
• difference between a decomposer and a scavenger
• be sure you know the definitions AND examples/background of all the vocabulary above
• presentations of human impacts on the environment