The trichinella is known as trichina worm. It acts as a parasite in the small intestine of human beings. It also involves domestic animals. The females move to intestine through…
The dracunculus is known as guinea worm. It occurs in the subcutaneous tissue of man. It produces a secretion which causes a blister on the skin. The female worm releases…
The trichuris is also known as whip worm. It is whip shaped and resides in the caecum, appendix and colon. It occurs in the warm moist climates. The eggs are…
Annelida are also known as the segmented animals. They resemble a ring. Lamarck has established this phylum. They are aquatic and occur on moist soil. A few of them are…
The phylum annelida is divided into polychaeta, oligochaeta and hirudinea. The polychaeta are also known as the multiple hair animals. They are marine with the fully formed parapodia and setae.…
The nereis is also known as clam worm or rag worm. They occur in the sea. They are unisexual and has a reproductive phase called as heteronereis. They fertilize in…
The pheretima posthuma is known as earth worm. It is found in the wet soil which is rich in organic matter. They belong to class oligochaeta. They are found in…
The hirudinaria is also known as cattle leech. It may occur as a free living or parasite. It is a free living in ponds, streams and rivers. It acts as…
The arthropoda are also known as the animals with jointed feet. Aristotle described it and Lamarck divided it into three classes such as crustacean, hexapoda and arachnida. Von Seibold proposed…
The phylum arthropoda is divided into different classes like crustacea, chilopoda, diplopoda, insecta and arachnida. The crustacea are divided into cephalo thorax and abdomen. Dorsally, it is covered by carapace…
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