eight
In the phylum cnideria there are three classes. They are hydrozoa, scyphozoa, and anthozoa. In the class hydrozoa, their habitats are fresh and marine water. In scyphozoa, their habitats are marine only. In anthozoa, their habitats are marine only.
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.
Fresh water- Rivers Marine water-Oceans Brackish water-Lagoons
Fish are a part of the marine biome. There are two forms of marine biomes: fresh water biomes and salt water biomes.
Ascarids (round worms) are generally parasitic (so not really marine or fresh water) and worms are either male or female.
Platypuses are not marine vertebrates. They can only live near fresh water.
Not necessarily. It can be fresh, brackish, or marine.
Usually freshwater
no they are marine only