Final answer:
A salp egg will develop into a blastozooid, which reproduces and forms a new colony of salps.
Step-by-step explanation:
A salp egg will eventually develop into a blastozooid, which is a type of zooid in the salp colony. The blastozooids are responsible for reproduction in salps. They produce eggs and sperm, which then fuse to form a zygote. The zygote develops into a blastula and eventually attaches to a substrate to form a new colony of salps.