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The maximum sustainable population size for the prevailing environment is called the ________ capacity.

When the amount of water in soil exceeds what the pore space can hold, the soil is

Pacific salmon migrate upstream and after breeding, soon die. They are termed

Animals that generate body heat metabolically at some times and from the environment at other times are referred to as ________.

The demographic age pyramid of a rapidly growing population is

There is no change in population size when the instantaneous per capita rate of growth (r) is equal to ________.

Daily and seasonal fluctuations in temperature, salinity, and dissolved gases are most extreme in

An integrated set of hypotheses that together explain a broader set of observations is considered a(n)

When individuals in a small population have difficulty finding a mate, this is referred to as

Soil formation begins with the ________ of rocks and their minerals.