Q1.10. Which of the following is the best experimental protocol by which to test

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Q1.10. Which of the following is the best experimental protocol by which to test the preference of an herbivore for one of two plants (designated A and B)? Place one herbivore with one individual of plant A. Record the length of time the herbivore takes to find and consume the plant. Repeat 10 times; then replicate with plant B. Place one herbivore with unlimited access to individuals of both plant species. Count the number of each plant species the herbivore consumes in a fixed time period. Replicate with the same and with additional individual herbivores Place one herbivore with 10 individuals of plant A on its right and 10 individuals of plant B on its left. Measure the time the herbivore takes to turn either left or right and approach the food. Repeat with the same and with other individual herbivores. Capture 10 individual herbivores from a natural population, extract their gut contents (non-fatally, of course), and compare the numbers whose guts contain each of the two plant species. Submit

Explanation / Answer

Hi Answer:

Q. Which of the following is the best experimental protocol by which to test the preference of an herbivore for one of two plants (designated A and B)

Answer: Option B. (Place one herbivore with unlimited access to individuals of both plant species. Count the number of each plant species the herbivore consumes in a fixed time period. Replicate with the same and with additional individual herbivores.)

Explanation: By this protocol, we can access or determine the choice of herbivore that which plant he prefer to eat. While we give unlimited access to herbivore for both plants t for a particular time interval at that time he has no stress or he shows his natural preference to eat a particular plant. After fixed time interval by counting the number of spices of both plants he consumed in given time we can identify his choice. Whereas in other protocol there is stress on the animal and stress affects the feeding habits too so the results of other protocol are not appropriate to determine the preference of an herbivore for one of two plants.

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