The term for describing a region's biological wealth is called ____.
A. endemic species
B. hot spots
C. biodiversity
D. endangered species
E. threatened species
Answer: C
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Evolution of behavioral traits that increase the probability of finding and attracting mates is a key feature of ____
Fill in the blank with the appropriate word.
Which hair-like cellular projections line the respiratory tract and sweep inhaled particles away from the lungs?
a. flagella b. cilia c. intermediate filaments d. pseudopods e. microvilli
Examine the figure above. In the continental United States, the dark green patches show areas with the highest bird species richness (200+ species). What best explains why these areas have such diversity?
A. These areas have the highest temperatures in the continental United States B. These areas have mountainous terrain. C. These areas have low frequencies of extreme weather events and fire. D. These areas have well-protected natural areas.
DNA nucleotides include ________
A) uracil, guanine, adenine, and cytosine B) thymine, guanine, adenine, and cytosine C) thymine, uracil, adenine, and cytosine D) thymine, guanine, adenine, and uracil