Zoology Library
Polymorphism in Coelenterates (Cnidarians): Coelenterates, also known as cnidarians, are a diverse group of animals that include jellyfish, corals, and sea anemones. While coelenterates do not exhibit the same level of complexity and diversity in terms of polymorphism as some other animal groups. Polymorphism is a term used to describe the existence of different forms…
Asian Palm Civet (Paradoxurus hermaphroditus): The Asian palm civet (Paradoxurus hermaphroditus) is a small, cat-like mammal native to South and Southeast Asia. It is known for its distinctive appearance, with a long, furry tail and a pointed snout. Palm civets are also known for their unusual diet, which includes fruits, small mammals, and insects. Classification:…
Water Vascular System of Starfish (Asterias: A Sea Star): The water vascular system is a unique and essential feature of starfish (Asterias) and other echinoderms. It is a hydraulic system that aids in various functions such as locomotion, feeding, respiration, and sensory perception. The water vascular system consists of a network of fluid-filled canals, tube…
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Insects are enter in house during pre-monsoon season reasons and prevention: In pre-monsoon season, it is common for insect to enter houses due to various reasons like shelter, breeding and foraging, changing weather patterns, openings and cracks. Here are some factors that contribute to this phenomenon. Search for shelter: Insects, especially those that typically reside…
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Phylum Echinodermata: The General Characters and Classification upto Classes level of Echinoderms are enterocoeouls coelomates, radial symmetry, calccareous endoskeleton and unique features of water vascular system, star like appereance and body is spherical, elongated. The phylum Echinodermata is characterized by a hard, spiny covering or skin Phylum Echinodermata- General Characteristics of Echinoderms: Echinoderms are a phylum of…
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Metamerism in Insects: Metamerism in insects is the division of the body into a series of similar repeating segments called metameres. Each metamere has its own set of organs and appendages, which allows insects to be highly specialized and efficient. The number of metameres in an insect varies depending on the species. For example, adult cockroaches have…
Metamorphosis in Insects: It is a remarkable process of transformation that insects undergo as they progress through different life stages. It involves distinct physiological and morphological changes, leading to a dramatic restructuring of the body from one form to another. it is a key feature of insect development and contributes to their ecological success and…