A(n) ____________________ is a species whose roles have a large effect on the types and abundance of other species in an ecosystem.
Fill in the blank(s) with the appropriate word(s).
keystone species
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Streams do most of their erosion, transportation of sediment, and deposition of sediment during ____
A)day-to-day flow movement B)icy winters C)flooding D)rainstorms E)wind storms
When warm moist air moves over a cold surface, ________ fog may result.
advection radiation steam upslope
This/these are not typically found near the equator
A) deserts. B) convective thunderstorms. C) doldrums. D) high humidity. E) warm temperatures.
The annual temperature range is quite small near the equator. This is true primarily because:
A) low pressure systems are almost never present. B) wind speeds tend to be always slow. C) the earth emits more infrared energy at these locations. D) solar radiation is nearly uniform all year. E) the elevation of most land areas there is near sea level.