Pigeon (Columba Livia) The common name of Columba Livia is a pigeon. The group of birds is mostly medium to large stout-bodied pigeons. The term Columba has been taken from the Latin word Columba means a dove. The bird belongs to class Aves. The systematic position of Columba Livia (Pigeon) Kingdom – Read more…
Neoteny in Amphibians In some amphibians, the larva becomes sexually mature without metamorphoses or delayed metamorphoses. In some amphibians, the character of neoteny is shown as the failure or delay of the larva to metamorphose while becoming sexually mature. Neoteny emphasizes the retention of embryonic or larval features in the Read more…
Parental Care in Amphibians Definition of Parental Care: Parental care can be defined as the activities that are directed by an animal towards the protection and maintenance of its own offspring or those of a near relative. Parental Care in Amphibians: In comparison to birds and mammals, little parental care Read more…
General Characters of Uromastyx Introduction: The Uromastyx is a genus of African and Asian agamid lizards. These are commonly called spiny-tailed lizards, uromastyces, mastigure, or dab lizards. Lizards of genus Uromastyx are primarily herbivorous, but occasionally they eat insects, especially young lizards. They are mostly found in hilly, rocky areas Read more…
Petromyzon (Lamprey): General Characters Introduction: Lampreys are Anadromous or freshwater, Eel-shaped jawless fishes. They can be readily recognized by the large, rounded sucker which surrounds their mouth and by the single nostril on the top of their head. Systemic position of Petromyzon: Phylum: Chordata Sub Phylum: Vertebrata Group: Agnatha Class: Read more…