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Environmental
Random begin of the semester stuff
22
Environmental Studies
Undergraduate 2
12/15/2012

Additional Environmental Studies Flashcards

 


 

Cards

Term
scientific process
Definition
observation
conflict
question
hypothesis
prediction
experiment
Term
rachel carlson
Definition
silent spring; DDT killed song birds
Term
lynn white
Definition
claimed since christians think God gave them dominion they think they can do whatever they want
Term
aldo leopold
Definition
thinking like a mountain; secular land ethic to replace religion
Term
utilitarian earth view
Definition
epitomizes Lynn White's character; uncaring earth depending; dominion over everything; exploitation
Term
gnostic earth view
Definition
material world is unimportant
Term
no crisis philosophy
Definition
crisis claims are overstated; things are getting better; need more data
Term
6 major elements in organisms/world
Definition
N-CHOPS
nitrogen
carbon
hydrogen
oxygen
phosphorous
sulfur
Term
4 organic compounds
Definition
lipids
proteins
carbs
nucleic acid (RNA/DNA)
Term
two elements that have an atmosphere
Definition
carbon and nitrogen
Term
2nd hallmark of sustainability
Definition
for sustainability ecosystems dispose of wastes and replenish nutrients by recycling all elements
Term
biome
Definition
group of ecosystems related by having similar type of vegetation and climate (tundra, desert etc.)
Term
hadley cell
Definition
a system of vertical and horizontal air circulation that creates major weather patterns
Term
law of limiting factors
Definition
after a certain level of performance has been reached results will decline in effectiveness
Term
primary succession
Definition
initial invasion and progression from one biotic community to the next where soil ISNT present
Term
secondary succession
Definition
ecosystem gradually re-invades area through distinct stages soil IS already present
Term
ecosystems are structured by
Definition
feeding relationships
Term
trophic categories
Definition
feeding groups within an ecosystem
Term
three trophic categories
Definition
producers
consumers
detrivores/decomposers
Term
biomass is greatest in what trophic category
Definition
producers
Term
no matter the trophic level larger energy budget means
Definition
more biomass
Term
1st hallmark
Definition
for sustainability ecosystems use sunlight as their source of energy
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