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Q2.10. You are studying how a species of snake might respond to climate change. You select 20 newly hatched snakes from the same clutch. You rear half of them at 12 °C and half at 22 °C. Once the snakes fully mature, you test the speed with which each snake can strike prey while in each of two separate chambers: one at 12 °C and one at 22 °C (the rearing temperatures). The results are shown in the graph below. Do these results support the hypothesis that differences in strike speed are due to acclimation, or adaptation? Why? 2.01 Snakes reared at 12 °C Snakes reared at 22 °C Strike Speed (m/s) 1.5- 1.0- 0.5- 0.0- 12 22 Strike Speed Test Temperature (°C) - Acclimation, because the difference in strike speeds between the two groups of snakes occurred within a single generation. - Acclimation, because it is rare for physiological traits (such as strike speed) to be the product of evolution. - Adaptation, because each snake had a much higher strike speed at the temperature of its own native environment. - Adaptation, because strike speed is at least partially determined by the genetics of the snake. Submit

          Q2.10. You are studying how a species of snake might respond to climate change. You
select 20 newly hatched snakes from the same clutch. You rear half of them at 12 °C
and half at 22 °C. Once the snakes fully mature, you test the speed with which each
snake can strike prey while in each of two separate chambers: one at 12 °C and one at
22 °C (the rearing temperatures). The results are shown in the graph below.
Do these results support the hypothesis that differences in strike speed are due to
acclimation, or adaptation? Why?
2.01
Snakes reared at 12 °C
Snakes reared at 22 °C
Strike Speed (m/s)
1.5-
1.0-
0.5-
0.0-
12
22
Strike Speed Test Temperature (°C)
- Acclimation, because the difference in strike speeds between the two groups of snakes
occurred within a single generation.
- Acclimation, because it is rare for physiological traits (such as strike speed) to be the
product of evolution.
- Adaptation, because each snake had a much higher strike speed at the temperature of its
own native environment.
- Adaptation, because strike speed is at least partially determined by the genetics of the
snake.
Submit

Q2.10. You are studying how a species of snake might respond to climate change. You
select 20 newly hatched snakes from the same clutch. You rear half of them at 12 °C
and half at 22 °C. Once the snakes fully mature, you test the speed with which each
snake can strike prey while in each of two separate chambers: one at 12 °C and one at
22 °C (the rearing temperatures). The results are shown in the graph below.
Do these results support the hypothesis that differences in strike speed are due to
acclimation, or adaptation? Why?
2.01
Snakes reared at 12 °C
Snakes reared at 22 °C
Strike Speed (m/s)
1.5-
1.0-
0.5-
0.0-
12
22
Strike Speed Test Temperature (°C)
- Acclimation, because the difference in strike speeds between the two groups of snakes
occurred within a single generation.
- Acclimation, because it is rare for physiological traits (such as strike speed) to be the
product of evolution.
- Adaptation, because each snake had a much higher strike speed at the temperature of its
own native environment.
- Adaptation, because strike speed is at least partially determined by the genetics of the
snake.
Submit

Added by Robert E.

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