Question

Some fish species, such as tilapia, place the fertilized egg clutch into the mouth of the female. How would the reproductive strategy ensure survival of the species?

A. By ensuring fertilization of all eggs
B. By producing higher quality eggs
C. By the female protecting the eggs from predators
D. By preventing the fertilization of eggs by low-quality males

Answer 1

Correct Answer:

C. By the female protecting the eggs from predators

3 of 3 points

Answer 2

The answer is C. This is mostly seen in Cichlidae family of fish, such as Tilapia. This is referred to as oral brooding. Fecundity ( similar to fertility) is lower in these fish hence they’ve evolved a way to protect their fertilized eggs to ensure a higher probability of hatching.