Question

What factor affected the level of care in male blue-footed boobies?

		Male size
		Certainty of paternity
		Female size
		Female fecundity
		Level of predation risk

Answer 1

ANSWER :

The uncertainty of paternity in male blue footed boobies is a main factor that reduce the level of parental care, for the first egg when male was away during his mate's fertile period. However, for subsequent eggs, male copulates his mate during laying eggs and increase the certainty of parental care. Hence option (B) is the correct answer.

Answer 2

The factor that affected the level of care in male blue-footed boobies is "Certainty of paternity."

In blue-footed boobies (and many animals, including humans), a male is more likely to invest time and energy in caring for offspring if he’s confident he’s the father. If there’s doubt, he might hold back—because no one wants to pour love and effort into raising someone else’s chicks.

So for these birds, certainty of paternity is the big factor. The more sure the dad is, the better the care