Chordata

Examples of Phylums, Class, Orders of Animal Kingdom Classification

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Examples of Phylums

Examples of Phylums, Classes, Orders: Porifera, Cnidaria, Ctenophora, Platyhelminthes, Nematoda, Annelida, Arthropoda, Pieces, Amphibia, Reptiles, Aves Phylum Porifera:  Phylum Cnidaria:  Phylum Ctenophora:   Beroe sp. ; Hormiphora sp. Phylum Platyhelminthes:  Phylum Nematoda:  Phylum Annelida:  Phylum Arthropoda:  Subphylum Trilobita: Holmia sp. Subphylum Chelicerata:  Subphylum Crustacea: Palaemon sp. (Prawn); Carcinus sp. (True crab) Subphylum Uniramia:  Chordata: Subphylum Urochordata: … Read more

Comparative Anatomy of Vertebrates

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Comparative Anatomy of Vertebrates

Comparative anatomy of vertebrates examines the structural similarities and differences across different vertebrate groups, including fish, amphibians, reptiles, birds, and mammals. Comparative Anatomy of Vertebrates : Characters  Fish/Pisces Amphibian  Reptile  Aves Mammals  Habitat  Aquatic  Aquatic & Terrestrial  Terrestrial/ Aquatic  Terrestrial Terrestrial/ Aquatic  Body Temperature  Poikilotherm Poikilotherm  Poikilotherm  Homeotherm Homeotherm  Locomotory organ/ Limbs Fins Fore limb- … Read more

Cranial Nerves

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Cranial Nerves: Cranial nerves are pair of nerves that are arise from brain and have a sensory or motor function to different parts of head, neck and trunk. There are 12 pairs of Cranial Nerves. Each nerve are numbered according to Roman numeral between I to XII based on the location for from front to … Read more

Dentition in Mammals

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Definition: The arrangement of teeth in the upper and lower jaws, mainly on premaxilla, maxilla and dentary bones is called dentition. Teeth evolved from denticles. Absence of Teeth: A typical mammalian tooth can be distinguished mainly into two regions: Crown and Root.  There are three kinds of tissues in a typical tooth. They are Enamel, … Read more

Accessory Respiratory Organ in Fish: Respiration in Fish

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Definition: The additional organ which are concerned with respiration other than gills are known as Accessory Respiratory Organ in fish. These organs developed mostly in tropical fresh water fishes to meet the extra demand of O₂ during summer to aestivate over prolonged drought. The accessory respiratory organs in fish are:- 1.) Skin/Integument: Cartain eels like Anguila sp. & Amphipnous sp. and … Read more

Class Mammalia

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Class Mammalia comprises warm-blooded vertebrates with characteristics such as hair or fur, mammary glands for feeding young, and three middle ear bones. Mammals include a wide range of species, from humans and whales to bats and rodents, inhabiting diverse environments worldwide. General Characters:  1. Body covering: Body is covered by epidermal hair. 2. Mammary Gland: Mammary glands are present, … Read more

Class Aves : Characters with Examples

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Class Aves includes birds, characterized by feathers, beaks without teeth, and laying hard-shelled eggs. Birds are warm-blooded, have a high metabolic rate, and most species are capable of flight. General characters of Class Aves:  1) Body: Body is spindle shaped divided into head, neck, trunk and tail. Body is covered by feathers, forms the exoskeleton. 2) Fore limbs: Fore … Read more

Class Reptilia

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Class Reptilia comprises a diverse group of cold-blooded vertebrates that includes snakes, lizards, turtles, crocodiles, and tuataras. Reptiles are characterized by their scaly skin, which helps prevent water loss, and their ability to lay shelled eggs on land, though some species give live birth. General Characters of Class Reptilia: 1) Habitat: They are inhabitants of terrestrial … Read more

Class Amphibia

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Class Amphibia includes animals that typically have a dual life cycle, with aquatic larval and terrestrial adult stages. They have moist, permeable skin that facilitates gas exchange, and their reproduction generally involves laying eggs in water. Amphibians breathe through gills during their larval stage and through lungs and skin as adults. General Characters of Class … Read more