Populations
Community Interactions
Ecosystems
Random Ecology
Wild Card
100
2 deer per acre describes this property of a population.
What is population density?
100
Describes all of an organism's interactions with the biotic and abiotic environment.
What is its niche?
100
Recycle nutrients back into an ecosystem.
What are detrivores/decomposers?
100
These two biological processes play a key role in the carbon cycle.
What are photosynthesis & cellular respiration?
100
A population of mice has a per capita birth rate of 0.8 and a per capita death rate of 0.6. The per capita birth rate for the population?
What is 0.2?
200
When individuals exhibit aggressive territorial behavior this dispersion pattern may be seen.
What is nearly uniform?
200
The continual occurance of these often prevent climax communities from being reached.
What are disturbances?
200
The increasing accumulation of toxins as you move up the food chain.
What is biological magnification (biomagnification)?
200
Described as "big bang reproduction".
What is semelparity?
200
One would predict a population with with an age structure diagram with a wide base to be doing what in the future.
What is increasing?
300
This survivorship curve is most likely seen in organisms who exhibit r-selected traits.
What is Type III?
300
A harmless species mimics a harmful one in order to increase its chance of survival.
What is Batesian mimicry?
300
How many secondary consumers would you predict can be supported if there are 1000 producers?
What are 10?
300
three types of symbiotic relationships.
What is mutualism, commensalism, and parasitism?
300
Answers how physiological or environmental factors cause animal behaviors.
What is the proximate cause?
400
Three factors that regulate population growth based on the density of the population.
What are: predation, competition, disease, territoriality, and waste accumulation?
400
States that no two species can occupy the same niche.
What is the competitive exclusion principle?
400
The amount of energy available to consumers after producers use what they need for their own metabolism.
What is Net Primary Productivity?
400
An organism that while found in small numbers, their presence promotes diversity in an ecosystem.
What is a keystone species?
400
Nutrient-rich agricultural runoff into freshwater ecosystems can cause.
What is eutrophication?
500
A population of red fox has a carrying capacity of 700. The population growth rate will be at its highest at what poulation size.
What is 350?
500
Described as the "proportion of each species in the community" and can affect community diversity.
What is the relative abundance?
500
This step of the nitrogen cycle does not involve bacteria.
What is assimilation?
500
A population has a birth rate of 0.6 and a death rate of 0.6. This population is experiencing...
What is zero population growth?
500
The amount of phosphorus available in a freshwater ecosystem can greatly impact the growth of producers. Phosphorus can be described as.
What is a limiting nutrient?
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