The figure below illustrates the thermal performance curve for the intrinsic rate of increase (r) of an Aphid insect. Imagine you are studying a population that was historically exposed to 25C during the breeding season, yet climate-change predictions suggest that the population will be exposed to an average of 32C by the end of the 21st century. Select the changes below that you predict could at least partially mediate the consequences of climate change for population growth. Hint: First think about how the climate change described will and will not challenge homeostasis. Next, recall some of our earlier modules that talked about how animals can alter behavior, physiology, etc to maintain homeostasis. Select the answers that could allow the animals to maintain homeostasis given the scenario. a) Do nothing (i.e. no changes) b) Evolve a larger body size with smaller surface-area to volume ratio c) Disperse to lower elevation habitats d) Disperse to higher elevation habitats e) Evolve a reflective, silvery body coloring that reflects solar radiation. f) Plastically adjust the breeding season to occur earlier in the year g) Plastically select host plants with smaller leaves that provide less shade
The figure below illustrates the thermal performance curve for the intrinsic rate of increase (r) of an Aphid insect. Imagine you are studying a population that was historically exposed to 25C during the breeding season, yet climate-change predictions suggest that the population will be exposed to an average of 32C by the end of the 21st century. Select the changes below that you predict could at least partially mediate the consequences of climate change for population growth. Hint: First think about how the climate change described will and will not challenge homeostasis. Next, recall some of our earlier modules that talked about how animals can alter behavior, physiology, etc to maintain homeostasis. Select the answers that could allow the animals to maintain homeostasis given the scenario. a) Do nothing (i.e. no changes) b) Evolve a larger body size with smaller surface-area to volume ratio c) Disperse to lower elevation habitats d) Disperse to higher elevation habitats e) Evolve a reflective, silvery body coloring that reflects solar radiation. f) Plastically adjust the breeding season to occur earlier in the year g) Plastically select host plants with smaller leaves that provide less shade
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The figure below illustrates the thermal performance curve for the intrinsic rate of increase (r) of an Aphid insect. Imagine you are studying a population that was historically exposed to 25C during the breeding season, yet climate-change predictions suggest that the population will be exposed to an average of 32C by the end of the 21st century. Select the changes below that you predict could at least partially mediate the consequences of climate change for population growth.
Hint: First think about how the climate change described will and will not challenge homeostasis. Next, recall some of our earlier modules that talked about how animals can alter behavior, physiology, etc to maintain homeostasis. Select the answers that could allow the animals to maintain homeostasis given the scenario.
a) Do nothing (i.e. no changes)
b) Evolve a larger body size with smaller surface-area to volume ratio
c) Disperse to lower elevation habitats
d) Disperse to higher elevation habitats
e) Evolve a reflective, silvery body coloring that reflects solar radiation.
f) Plastically adjust the breeding season to occur earlier in the year
g) Plastically select host plants with smaller leaves that provide less shade
Transcribed Image Text:0.4
Hyadaphis pseudobrassicae
0.3
0.2
0.1
10
15
20
25
30
35
Temperature (°C)
Intrinsic rate of increase (r)
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