Final answer:
Mollusks differ in reproductive strategies depending on the species. They can reproduce sexually through internal or external fertilization, or asexually through budding. Some 1. mollusks may also change their diet during reproduction.
Step-by-step explanation:
Mollusks differ in reproduction depending on the species. Most mollusks are dioecious and have separate male and female sexes. Fertilization can occur internally or externally. In most aquatic mollusks, such as clams or oysters, fertilization is external, where eggs and sperm are released into the water. The zygote develops into a larva called a trochophore, which undergoes metamorphosis to the adult form. Some mollusks, like cephalopods, develop directly into small versions of the adult form. Terrestrial mollusks, like snails, reproduce internally through internal fertilization. They lay eggs that develop into embryos inside the female body.
Some mollusks reproduce asexually through budding. This is seen in certain bivalve mollusks, where a bud forms on the adult and then detaches to become a separate individual.
Other mollusks, like gastropods, may eat different substances during reproduction. For example, some gastropods may change their diet to consume more calcium during egg production.