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Biology Ch 5 TEST - Population, TEST REVIEW - Chapter 5, Biology: Chapter 5: Populations REVIEW

Terms in this set (90)

There are 150 Saguaro cacti plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer?
population density
What does the range of a population tell you that density does not?
the areas inhabited by population
What can cause a population to grow?
The birthrate becomes higher than the death rate
When individuals in a population reproduce at a constant rate, it produces a growth pattern called...
exponential growth
Which are two ways a population can decrease in size?
decreased birthrate and emigration
As resources in a population become less available, population growth...
reaches carrying capacity
Which of the following is not likely to be a limiting factor on the sea otter population?
drought
Which will reduce competition within a species' population?
fewer individuals
If a population grows larger than the carrying capacity of the environment, the...
death rate may rise
Which would be least likely to be affected by density-dependent limiting factor?
a small, scattered population
Which density-dependent factors, other than the predator/prey relationship, affected the population of moose and wolves on Isle Royale?
food availability for the moose and disease of for the wolf
Demographic transition is change from high birthrates and high death rates to...
a low birthrate and low death rate
About 500 years ago, the world's population started...
growing more rapidly
In Rwanda, there are more young children than teenagers, and more teenagers than adults. This age structure indicates a population that...
will double in 30 years
In countries like India, the human population is growing...
exponentially
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