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r-strategist - small, short life-span, many offspring
k-strategist - large, long life span, few offspring

What are the characteristics of r- and k-strategists?

population density, spatial distribution, and growth rate

What are three characteristics that all populations have?

bacteria, animals, and plants

What are these three characteristics used to classify?


What is one of the primary factors in the pattern of dispersion?

abiotic factors such as weather (drought, flooding, tornadoes, hurricanes, or extreme heat/cold)

Density-independent factors usually include...

predation, disease, parasites, and competition.

Density-dependent factors usually include...

logistic: S shaped; exponential: J shaped

What shape is a logistic or an exponential population growth?

carrying capacity

Populations tend to stabilize near the _____ ____ of their environment.

limiting factors

density-independent and -dependent are _______.

randomly, uniformly, or in clumps

Populations tend to be distributed _______, _______, or in ______.

spatial distribution- the way organisms are dispersed in their environment.
population density- the number of organisms per unit area
population growth rate- explains how fast a given population grows

Compare and contrast spatial distribution, population density, and population growth rate.

carrying capacity- the maximum number of individuals in a species that an environment can support
limiting factors- keep a population from being able to increase indefinitely

Summarize the concepts of carrying capacity and limiting factors and their effects on reproductive patterns.

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