In the table on the right, observe Krakauer's formula for benefit to dominant male. What is the benefit, B? calculate the value and enter it in the table.

Based on this assumption, what is C, the Cost to subordinate male? Calculate the value and enter it in the table.

Given the values you've just calculated, what is the Net Benefit subordinate males can expect from helping the dominant male? That is, what is their inclusive fitness?

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MrRoyal MrRoyal · Answer 1 · 2022-05-10T14:35:15+02:00

The table is an illustration of two-way table, and the value of the cost to net benefit to subordinate male is 0.1

From the table, the Krakauer's formula for benefit (B) is:

B = Offspring per dominant male - Offspring per solo male

The question has missing parameters, so we make use of the following assumed values:

So, we have:

B = 7 - 2

B = 5

Using the assumed values, the value of the benefit is 5

The Krakauer's formula for cost (C) is:

C = Offspring per solo male - Offspring per subordinate male

Given that subordinate male never reproduce, the equation becomes

C = Offspring per solo male - 0

C = Offspring per solo male

Using the assumed value in (a), we have:

C = 2

Using the assumed values, the value of the cost to subordinate male is 2

The Krakauer's formula for this is:

Net Benefit = rB - C

Given that r = 0.42, the equation becomes

Net Benefit = 0.42 * 5 - 2

Evaluate

Net Benefit = 0.1

Using the assumed values, the value of the cost to net benefit to subordinate male is 0.1