Multiple Choice
The Saguaro cactus is a large cactus found in some southwestern desert environments. It plays a central role in providing habitat for a variety of other species, and if these cacti die or are removed from the ecosystem, biodiversity declines. Thus, the Saguaro cactus is a __________.
A) keystone species
B) tertiary consumer
C) generalist
D) trophic level
Correct Answer:

Verified
Correct Answer:
Verified
Q27: Robert Paine was the first biologist to
Q28: Interspecific competition includes all of the following
Q29: The image below represents the termites, bacteria,
Q30: In Chapter 3, you learned about the
Q31: Robert Paine was the first biologist to
Q33: Which of the following is a disadvantage
Q34: If you pick up a handful of
Q35: Which of the following forms of communication
Q36: A beetle that feeds on the leaves
Q37: The ultimate source(s) of energy, on which