Hydra is a fresh water cnidaria which has lakes and ponds as their habitat. It consists of tentacles, mouth, manubrium, stomach, testes, bud, peduncle and basal disc. The tentacles help…
It is a marine cnidarian. It includes both the modes of sexual as well as asexual form of reproduction. It shows the phenomena of polymorphism and is carnivorous. It has…
Aurelia is also known as The Jelly fish. It occurs in the coast of oceans of the world. They are carnivorous and may swim actively or move passively. They have…
Adamsia is also known as the sea anemone. It is mainly marine and is attached to the shell of gastropods. They are commensal organisms and show an association between sea…
Astraea is also known as the star coral. They are exclusively marine and have an appearance of stone. They occur in colonies which are fixed and have a spreading nature.…
The pennatula is also known as sea pen or sea father. It resides in the sandy areas of warm sea. It occurs in colonies and is sedentary. It is of…
Platy helminthes are also known as flat worms. It was the Aristotle who first mentioned it. They were placed in the same group by Gegenbaur. Most of them are parasite…
It consists of different classes like turbellaria, trematoda and cestoda. Turbellaria are free living flatworms living in aquatic habitat. Their body is unsegmented and has ciliated epidermis. They are also…
The dugesia are also known as planaria. It occurs in fresh water. They belong to class turbellaria. It moves over stones and debris for the search of food. They are…
The schistosoma are also known as blood fluke. It lives in the hepatic portal system and blood vessels of the human. Snail is the intermediate host. It feeds on blood…
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