Multiple Choice
A null model of community structure assumes that the presence and abundance of species within a community is
A) determined mostly by direct species interactions.
B) determined mostly by indirect species interactions.
C) not affected by species interactions.
D) both A and B.
Correct Answer:
Verified
Correct Answer:
Verified
Q17: The removal of a single species from
Q17: In a forest community,the upper layer is
Q37: A group of species in a community
Q39: The benthic zone of a lake is
Q40: Variation in environmental conditions within a community,
Q41: If one community has a more equitable
Q43: Ecologists usually define the species diversity of
Q45: Food webs are useful for depicting _
Q46: In general, the degree of environmental heterogeneity
Q58: The simplest measure of community structure is