Two closely-related species overlap at the southern edge of the range for species A, and the northern edge of the range for species B. Both species consume the same prey, but differ in their preferred prey size. Researchers collected individuals from the part of each species’ range where they do not overlap. They compared the consumption of prey across a range of prey sizes for these individuals in experiments where they were grown alone (solid lines) and compared this to when the species were grown together (dashed lines). Their results are in the attached figure. Over evolutionary time, how will the fundamental niche for prey size differ for each species in the part of the range where the species overlap? Why?
Two closely-related species overlap at the southern edge of the range for species A, and the northern edge of the range for species B. Both species consume the same prey, but differ in their preferred prey size. Researchers collected individuals from the part of each species’ range where they do not overlap. They compared the consumption of prey across a range of prey sizes for these individuals in experiments where they were grown alone (solid lines) and compared this to when the species were grown together (dashed lines). Their results are in the attached figure. Over evolutionary time, how will the fundamental niche for prey size differ for each species in the part of the range where the species overlap? Why?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Two closely-related species overlap at the southern edge of the range for species A, and the northern edge of the range for species B. Both species consume the same prey, but differ in their preferred prey size. Researchers collected individuals from the part of each species’ range where they do not overlap. They compared the consumption of prey across a range of prey sizes for these individuals in experiments where they were grown alone (solid lines) and compared this to when the species were grown together (dashed lines). Their results are in the attached figure.
Over evolutionary time, how will the fundamental niche for prey size differ for each species in the part of the range where the species overlap? Why?
Transcribed Image Text:Proportion of Individuals
Consuming Each Prey Size
0.0-
0
T
2 4
x
6
8 10 12 14 16 18 20 22 24 26 28 30
Prey Size
species
A
B
treatment
alone
together
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