Respuesta :
Low genetic variability in prey populations is the circumstance that does not explain the lower-than-expected prey consumption at low prey densities in type iii functional response.
So, the correct option is C.
When prey density rises, predators who are Type III functionally responsive increase their search activity. Since there are few different alleles for genes within a species with low genetic diversity, there are few variances between individuals. As a result, there may be fewer possibilities to adjust to environmental changes. Habitat loss frequently results in low genetic diversity.
So, the case of low genetic variation in the prey population does not have any impact on low prey densities occurring in a functional response. Prey density effects are brought on by the predator feeding rate's non-linearity, which increases with prey density and hits a plateau at large prey densities (i.e., saturating Holling type II or III functional responses).
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The given question is incomplete. The complete question is:
Which circumstance does not explain the lower-than-expected prey consumption at low prey densities in type iii functional response?
A. prey switching
B. an abundance of hiding places for prey
C. low genetic variability in prey populations
D. inefficiency of predators searching for a scarce prey item
E. prey switching, an abundance of hiding places for prey, and the inefficiency of predators searching for a scarce prey item
