Julia and Lena are two sister honeybees living in a hive on the U of O campus. T

Question

Julia and Lena are two sister honeybees living in a hive on the U of O campus. They both return to the hive at noon, as the sun is directly south of the hive. They begin to dance to recruit more foragers. Julia has been visiting flowers 3 kilometers away up in Hendricks Park, due east of the hive. Lena has been foraging 10 kilometers away in the wetlands of west Eugene, due west of hive. How many seconds would each of Lena's waggles last? Do not list fractions or worry about units. Just write the value. For 10 and 11 use these choices (a-h) for the direction of the waggle portion of the dances. waggle directly towards sun waggle directly away from sun waggle towards the north waggle towards the south waggle directly up in the hive waggle directly down in the hive waggle directly to the left in the hive waggle directly to the right in the hive Which direction best describes Julia's waggles? (choose just one answer) Which direction best describes Lena's waggles? (choose just one answer) If Julia and Lena have the same mother but different fathers, what is the coefficient of relatedness between the sisters? Give your answer to two decimal places (for example, if the answer is 0.7, the write 0.70). The beekeeper of the hive is working with his niece on Julia's and Lena's hive. What is the coefficient of relatedness between the beekeeper and his niece? Give your answer to two decimal places (for example, if the is 0.7, then write o.70). Julia stings an intruder while the hive and dies. Which of the following best describes this type of at altruism? kin selection reciprocal altruism

Explanation / Answer

Question No 9:

8 Seconds.

Distance is 10,000 meters. It would do 1.6-1.8 turns in 15 seconds. So, each turn would last 8 seconds approximately.

Question No 10:

Waggle directly to the left of the hive.

Sun is directly south of hive. Julia visited flowers east of the hive. So, the flowers are left side of hive if we take direction of sun as reference point.

Question No 11:

Waggle directly to the right of the hive.

Sun is directly south of hive. Lena visited flowers west of the hive. So, the flowers are right side of hive if we take direction of sun as reference point.

Question No 12:

Each female bee receives one of a possible two sets of chromosomes from the mother, and these make up half her genes. Relatedness between mother and female is 0.5.

Julia and Lena have same mother.

Their relatedness will be 0.5 x 0.5 = 0.25

Question No 13:

Niece is sibling’s daughter.

Beekeeper share half of his genes with his sibling. Sibling shares half of his/her genes with his/her daughter.

Coefficient of relatedness is = 0.5 x 0.5 = 0.25

Question 14:

Reciprocal altruism

This is not the correct answer but it is the closest to correct answer.

Altruism is a type of behavior that benefits receiver at the cost of actor. Here Julia died in order to keep the intruder away from disturbing the hive of its relatives.

It is not exactly reciprocal altruism. Reciprocal altruism happens between unrelated individual. Here Julia tried to protect hive it is part of. Inhabitants of the hive are its relatives.

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