Humans
graphs
how many?
too many!
miscellaneous 2
100
demographers use age structure to _________ population trends
What is predict
100
shape of a logistic curve
What is an s
100
population statistic that answers the question "how many"
What is population density
100
malthus thought war would commence once humans reached our carrying capacity. in biology we would call "war"
What is competition
100
volcanic eruptions are ___________ limiting factors
What is density independent
200
because life expectancy is lower for men than women, you would expect _______ women as you move up a population pyramid
What is more
200
dotted line that a logistic curve approaches
What is carrying capacity
200
what is the population density of a 3 square kilometer forest that contains 6 trees? (give number AND unit)
What is 2 trees/km^2
200
the fact that ticks are more prevalent in dog kennels rather than dog parks shows that ______ increases with population density
What is parasitism
200
population distribution where all the individuals are evenly spaced
What is uniform
300
in terms of population rates, human populations have grown over the past 200 years because of a decrease in...
What is the death rate
300
exponent that an exponential graph begins at
What is 0
300
either _______ or ___________ must be greater than the birth rate for a population to increase
What is death rate; emigration
300
overfishing would be an example of a human-induced _____ ________ limiting factor
What is density dependent
300
shuffling seeds in various parts of a garden would result in a __________ distribution
What is random or scattered
400
what would you predict about a population that has a much larger pyramid base compared to its peak?
What is it will grow in the future (younger populations grow)
400
what is the base of the exponential for an exponential graph that quadruples its population each generation
What is 4
400
organisms in environment A have a higher survival rate than the SAME EXACT organisms in environment B despite have the SAME EXACT conditions. Give an explanation.
What is there are more organisms in environment B than there are in A. (B has a higher population density
400
the fact that so many fox moved into a certain area that some den mothers started eating their own young would be a result of stress from ________
What is overcrowding
400
schools of fish are examples of ________ distribution
What is clumped
500
the reason populations grow during the 2nd stage of demographic transition
What is the death rate falls faster than the birth rate
500
thomas malthus thought human populations grew __________ and food production grew in a _________ fashion
What is exponentially, linear
500
disturbing the predator-prey __________ would cause fluctuations in both populations because it is density dependent
What is balance/equilibrium
500
hydrilla have no natural predators or diseases to control the population of the introduced species meaning hydrilla have ______ ______ over native species in the area
What is competitive advantages
500
if you were viewing bacterial exponential growth and elephant exponential growth on the same graph on your screen, you would have to _____ _____ to see the bacteria growth clearly and _____ ____ to see the elephant growth clearly
What is zoom in; zoom out
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