Explain the nereis of annelida which belongs to non chordate phyla?
admin 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…
2025
Explain the pheretima posthuma of annelida which belongs to non chordate phyla?
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…
Explain the hirudinaria granulosa of annelida which belongs to non chordate phyla?
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…
Explain the phylum arthropda of non chordates?
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…
Explain the classification of phylum arthropoda of non chordates?
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…
Explain the palaemon of arthropoda which belongs to non chordate phyla?
The palaemon are also known as prawns. They reside in river and feed on algae, mosses and insects. Their main respiratory organs are gills. They have unisexual and bisexual forms…
Explain the cancer of arthropoda which belongs to non chordate phyla?
The cancer is also known as rock crab. As the name suggests it occurs in rocks and sand. It is carnivorous and attacks its prey by legs. They show indirect…
Explain the external characters of a typical insect which belong to non chordate phyla?
The body of insect is divisible as head, thorax and abdomen. The head has eyes, antennae and mouth parts. The mouth parts are associated with the mouth. Thorax consists of…
Explain the different insects which belong to non chordate phyla?
Lepisma is also known as silver fish. It is a common domestic pest which occurs in dark, cool and damp areas. It moves swiftly and avoids being exposed to light.…
Explain the periplaneta Americana of arthropoda which belongs to non chordate phyla?
The periplaneta Americana is also known as cockroach. They are found in dark and damp places. They occur in kitchens, restaurants, underground drains, ships and wagons etc. They are nocturnal…