Zoology

SKIN STRUCTURE AND FUNCTIONS IN MAMMALS The body of Rabbit is covered by skin. It…
In the mid ventral region of thorax of Rabbit sternum is present. It is made…
The internal ear of rabbit includes "organ of corti" or Cochlea spirally coiled. Lagena is…
THERIA   This group includes Mammals which show true mammals characters Infraclass Metatheria:   They…
Mammalia is divided into two subclasses. 1) Prototheria 2) Theria   GENERAL CHARECTERS OF PROTHERIA…
Mammal like Reptiles therapsida might have given Mammals. It occured at the end of Triassic…
In the eye of the bird a comb like structure is present. It is called…
In the birds vertebral column compound structure is present. It is called Synsacrum. It is…
The body wall of birds has three regions, Skin, Muscles and Perito­neum.   The skin…
Based on characters of  Aves Class is divided into 2 sub-classes. Sub class: i) Archeornithes…
AN INTRODUCTION TO AVES (BIRDS)   Birds (AVES) are highly evolved vertebrates. In the Jurassic…
In Reptiles the “organs of Jacobson” are well developed sac like chambers. They lie below…
The trunk of chelonia is enclosed by Shell which has two parts, a dorsal carapace…
Snakes consisting Poison Apparatus by the contraction of digastric muscles in Poison Apparatus in snake…
It has a pair of poison glands, or ducts and a pair of fangs. The…
Based on characters Reptiles is divided into Four sub class   ANAPSIDA PARAPSIDA DIAPSIDA SYNAPSIDA…
AN INTRODUCTION TO REPTILES   In the carboniferous period of palaeozoic era “Reptiles” arose from…