The northern boundary of the distribution of Saguaro cacti is defined by
A) areas in which temperatures do not drop below freezing.
B) the availability of water year round.
C) the presence of pollinating insects.
D) proximity to coastal environments.
E) the frequency of low-intensity fires.
Correct Answer:
Verified
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A) predation.
B)
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Q8: What is replication in scientific inquiry?
A) Asking
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Q13: A common adaptation of coastal plants that
Q14: The photic zone in aquatic environments is
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