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Population Symbiosis Trophic Levels Bio Geo Cycles Grab Bag 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points
Shape of the curve that a logistically growing population exhibits
S
A “j” shaped curve results from this type of growth
exponential
Number of organisms of a species an area can sustain
Carrying capacity
Factors that favor reproduction are called ___ - selected adaptations
r
An example of a density independent limiting factor
Flood, hurricane, tornado, fire, etc
Occurs when organisms share a limited resource
competition
Symbiotic relationship in which one organism benefits and the other is unaffected
commensalism
A harmless species resembles a harmful one
Batesian mimicry
Brightly colored animals warn predators that they may be poisonous
Aposemastic coloration
A gray peppered moth is hard to spot on the bark of a tree due to this camouflage defense
Cryptic coloration
Level with the most energy
Green plants
Ultimate source of energy for any food web
sun
Level that represents herbivores
mice
A tertiary consumer
Largemouth bass
Level from which decomposers obtain energy
All levels
Main abiotic reservoir of nitrogen
air
Organisms that convert N and H to ammonia
Nitrogen-fixing bacteria
Process by which bacteria convert nitrate to atmospheric nitrogen
denitrification
Can result from sewage or fertilizer runoff entering a lake
eutrophication
primary source of abiotic carbon
Carbon dioxide in the air
Individuals of the same species living in an area
population
What determines the dominant species in a community
Total biomass
Dead organic matter in an ecosystem
detritus
Type of succession that occurs where a glacier retreats
Primary succession
The first organisms (ex: mosses, lichens) that inhabit an ecosystem
pioneers
Final Jeopardy Make your wager
Chemical used to stop all life processes in the water sample bottles used during the dissolved oxygen lab
Sulfamic acid