Final answer:
Polyandrous mating is the type of mating system in which one female mates with many males. An example of this can be seen in seahorses and pipefish, where males receive the eggs from the female, fertilize them, protect them within a pouch, and give birth to the offspring.
Step-by-step explanation:
Polyandrous mating is the type of mating system in which one female mates with many males. This system is much less common than monogamous or polygynous mating systems.
An example of polyandrous mating can be seen in seahorses and pipefish, where males receive the eggs from the female, fertilize them, protect them within a pouch, and give birth to the offspring.