In this article we will discuss about:- 1. General Characteristics of Class Reptilia 2. Classifications of Living Reptiles 3. Extinct Groups 4. Embryonic Membrane 5. Features. General Characteristics of Class Reptilia: Some of the general characters of class Reptilia are listed below: 1. Reptiles are the creeping and burrowing cold blooded vertebrates bearing epidermal scales. They are ectothermic (cold-blooded) and [...]
In this article we will discuss about the General Characters and Classification of Phylum Ctenophora. General Characteristics of Phylum Ctenophora: There are about 50 species of ctenophores. 1. Habitat: All ctenophores are exclusively marine. 2. Habits: They feed on plankton, swim by cilia. Power of regeneration is well marked. Bioluminescence (the property of living organism to emit light) is well-marked [...]
In this article we will discuss about the General Characters and Classification of Phylum Echinodermata. General Characteristics of Phylum Echinodermata: Some of the general characters of Phylum Echinodermata are listed below: 1. Habitat: All existing echinoderms are marine. They generally live at sea bottom borne are pelagic (free swimming in open water) and a few are sessile (attached to the [...]