Gas retailers, though, grouse that Costco uses gas as a loss leader to get people into the store. Even though Costco has just 0.16% of the 170,000 places you can fill up your car in the United States, its model is roiling the industry.
The release of fish eggs and their subsequent fertilization is called spawning. Most marine fish reproduce by releasing thousands of small eggs into the water for external fertilization. Egg-laying fish have a variety of methods for releasing the eggs. Some fish scatter eggs, which are fertilized by the male fish as they fall. Other fish attach the eggs to a surface, where they are then fertilized as they are released. Some fish release eggs into a nest of bubbles blown by the male fish.
10. Many scallops are hermaphrodites-they have both male and female sex organs. Others are only male or female. Scallops reproduce by spawning-releasing eggs and sperm into the water.Once an egg is fertilized, the young scallop is planktonic, and then settles to the sea floor, attaching to an object with byssal threads.Most scallop species lose this byssus and become free-swimming as they grow.0. Many scallops are hermaphrodites-they have both male and female sex organs. Others are only male or female. Scallops reproduce by spawning-releasing eggs and sperm into the water.