Multiple Choice
What is the major reason scientists think declines in lizard populations around the world will lead to losses in community diversity?
A) Loss of each lizard species will decrease community diversity by one species.
B) Lizards provide food for many species,which will go extinct as lizards disappear.
C) Lizards will move out of regions that are too cool,and no species will be able to replace them.
D) Loss of lizard species will cause a trophic cascade,affecting all species and leading to loss of community function.
E) Lizards interact with insects;their loss will affect only insect populations,but will have a great effect because there are so many insects.
Correct Answer:

Verified
Correct Answer:
Verified
Q26: Based on our knowledge of the factors
Q27: What is the best and most complete
Q28: Low levels of NPP around 30°N and
Q29: NPP in aquatic ecosystems is most often
Q30: Nitrogen is often in short supply in
Q32: With respect to matter,Earth is essentially a(n)_
Q33: If global warming causes a mismatch between
Q34: In a biogeochemical cycle,a pool can remain
Q35: Which statement most accurately represents the effect
Q36: If a huge solar flare causes an