Question

which phyla has no fresh water animals ?

Answer 1

Echinodermata has no fresh water animals.

Echinodermata

• Porifera are pore-bearing creatures and are generally called wipes. Wipes are generally found in marine living spaces yet not many are additionally tracked down in freshwater, for example, Spongila.
• Crustacea and Insecta are the gatherings of the phylum Arthropoda. Echinodermata is a phylum of marine creatures. They are the biggest phylum that has no freshwater or earthly agents.
• Echinoderms are marine, albeit few can endure being washed on the shore by a tide for a few hours. They are the main phylum with no fresh water or land creatures. There is no fossil proof that shows any exemption for this. Inside the marine waters, echinoderms can make due in different living spaces.
• The environment utilization of echinoderms additionally relies upon the region where their networks are created. One review counted 28 animal types on the rough base while 38 species were viewed on the sandy base. Numerous echinoderm species, for example, ocean stars or ocean cucumbers grip rocks and subsequently favour rough regions, while other echinoderm species favour it to be sandy where they can burry themselves to stay disguised.

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Answer 2

Answer:

The answer is Echinodermata. Echinodermata is the largest phylum with no freshwater animals and no terrestrial animals.

Explanation:

• The animals belonging to the Echinodermata phylum are exclusively marine. These are multi-cellular and have well-developed organ systems. These are found in intertidal zones and sea depths. These have a water vascular system that accounts for the circulation of nutrients, waste elimination, and gaseous exchange.
• These are spherical or elongated and have a star-like appearance. These are triploblastic and have a coelomic cavity, and their skeleton is made up of calcium carbonate. They respire through gills or cloacal respiratory trees and have an open circulatory system. They gave a simple radial nervous system and the body is unsegmented. The locomotion is aided by tube feet. They reproduce sexually and the fertilization is external but the development is indirect. They have the power of regeneration.
• They are classified into five groups; Asteroidea, Ophiuroidea, Echinoidea, Holothuroidea, and Crinoidea.

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