Ascarids (round worms) are generally parasitic (so not really marine or fresh water) and worms are either male or female.
marine protozoans transferred to fresh water will
marine fish lay eggs in fresh water river
no
the marine fish would pretty much suffocate and die. so putting marine fish in fresh water is not a good idea.
Platypuses are not marine vertebrates. They can only live near fresh water.
Marine birds and reptiles have glands that secrete excess salt from their systems.
Marine culture is a specialized branch of aquaculture. Different types of marine culture are culture in fresh water fish, shrimp and some marine species.
Not necessarily. It can be fresh, brackish, or marine.
Usually freshwater
no they are marine only
Fish are a part of the marine biome. There are two forms of marine biomes: fresh water biomes and salt water biomes.
Marine biologyy research is when you research about something that is aquatic including fresh water species.