A population of similar individuals that in nature interbreed and produce fertile offspring:a
genus d. class
b. species e. order
c. kingdom
B
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________ occurs when the horizontal winds move air against mountain ranges, forcing air to rise as it passes over the mountains
A) Adiabatic rainfall B) Cyclonic rainfall C) Convectional rainfall D) Orographic rainfall E) Convergence rainfall
What is the primary reason for the population explosion since the Industrial Revolution?
a. higher temperatures b. higher birth rates c. an increase in migration d. birth of more females e. lower death rates
The ____________________ Desert is found in northwest Mexico
Fill in the blank(s) with correct word
All of the following statements describe field research except
a. It involves going into natural settings to observe the structure of ecosystems. b. It is sometimes called "muddy-boots biology". c. It has provided very little in the way of knowledge about ecosystems. d. Most of what we know about ecosystems has come from such research. e. It involves measuring the structure of ecosystems and what happens in them.