Archive | Invertebrate Zoology

Phylum Nematomorpha: Characters, Classification and Affinities

In this article we will discuss about Phylum Nematomorpha:- 1. Characters of Phylum Nematomorpha 2. Taxonomic Retrospect of Phylum Nematomorpha 3. Characteristic Features 4. Classification 5. Affinities. Characters of Phylum Nematomorpha: Phylum Nematomorpha includes a number of thread­like elongated animals belonging to two families: the Nectonematidae and the Cordiidae. They are free-living in sexual phase and are parasitic in asexual [...]

By |2016-05-27T11:34:23+00:00May 27, 2016|Phylum Nematomorpha|Comments Off on Phylum Nematomorpha: Characters, Classification and Affinities

Phylum Loricifera: Features, Phylogeny and Phylogenetic Relationship

In this article we will discuss about of Phylum Loricifera:- 1. Features of Phylum Loricifera 2. Phylogeny of Phylum Loricifera 3. Phylogenetic Relationship. Features of Phylum Loricifera: 1. Phylum Loricifera are microscopic, un-segmented body, and about 200 to 300 µm in length. 2. Major part of the body called abdo­men, covered by 6 overlapping protective plates comprising by rigid cuticle [...]

By |2016-05-27T11:34:23+00:00May 27, 2016|Phylum Loricifera|Comments Off on Phylum Loricifera: Features, Phylogeny and Phylogenetic Relationship

Respiratory Organs in Unio and Pila| Phylum Mollusca

Learn about the comparison between respiratory organs of Unio and Pila. Comparison # Unio: 1. Modes of respiration in Unio is aquatic. 2. Respiratory organs in Unio are primarily the gills. Highly vascu­lar mantle also acts as an accessory respiratory structure. 3. Two highly developed symmetrical gills are situated one on each side of the body of Unio. 4. Structure [...]

By |2016-05-27T11:34:10+00:00May 27, 2016|Phylum Mollusca|Comments Off on Respiratory Organs in Unio and Pila| Phylum Mollusca
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