Multiple Choice
Whittaker's research on North American tree distribution examined ________ gradients and concluded that the tree distribution was ________.
A) temperature; random
B) temperature; clumped
C) moisture; clumped
D) moisture; random
E) soil; random
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Which statement about organisms' "niches" is false?<br>A)
Q14: "Rarity II" can be described as<br>A) restricted
Q15: An organism with a narrow habitat tolerance
Q16: In general, research indicates that as the
Q17: "Rarity I" can be described as<br>A) restricted
Q19: The creosote bush (Larrea tridentata) can have
Q20: Ehleringer and Clark found that variation in
Q21: Research by Hubble and Johnson showed that
Q22: Often an organism with a broad habitat
Q23: Research on North American bird populations have