. Imagine you are studying a new cooperative breeding vertebrate species and you find that groups...

. Imagine you are studying a new cooperative breeding vertebrate species and you find that groups of females can be either related or unrelated. What would you predict in terms of group size (larger or smaller) and reproductive skew (more or less) in these different types of groups. Explain your reasoning.

Expert Solution

Answer:

We can predict that the group size of this cooperative breeding vertebrate species would be larger because in animal behaviour ,the hypothesis of group augmentation exists where animals living in a group behave so as to increase the group's size, namely through the recruitment of new members.
This is if larger group size increases the chance of survival of the individuals in the group.
Group augmentation is proposed to help explain the evolution of helping behaviour, such as cooperative breeding.
It helps to explain the helping behaviour between individuals which have low relatedness.
And the majority of cooperative breeding species exhibit high reproductive skew, where reproduction is monopolised by one or a few of the adult group members, and most adults do not reproduce but help to rear the breeder’s offspring,Thus in these groups the group size is predicted to be larger and the reproductive skew more than the others.

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gladiator answered 1 year ago

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