Zoology is the branch of biology in which we study animals

Evolutionary Pressures in Reptiles

EVOLUTIONARY PRESSURES IN REPTILES The reptiles have striking adaptations for terrestrial life. Adaptations in Chuckwalla (Sauromalus obesus) It lives in the deserts of  Southwestern United  States. It has following adaptations: (i) Adaptation in summer: It can survive in late summer at temperate above 40

Answer of Question of Reproduction & Development

Answer of Question of Reproduction & Development Introduction Reproduction is a universal occurrence in all living organisms Both asexual and exual reproductions occur in the animal kingdom. Asexual reproduction produce offspring whose genes all come from a single parent. ission, budding, and fragmentation with

Reptiles – The First Amniotes

REPTILES The First Amniotes EVOLUTIONARY PERSPECTIVE (reptos, to creep) Reptiles were the first vertebrates that possess amniotic eggs. Amniotic eggs have extraembroynic membranes. These membranes performs the following functions: 1. They Protect the embryo from dessication. 2. These support the embryo like cushion. 3.

Answer of Question of Nutrition & Digestion

Answer of Question of Nutrition & Digestion Q.13a. Describe digestion in a bivalve mollusc. Ans. Digestion in Bivalves Digestion in bivalve molluscs is a coordination of three cycles: (1) Feeding, (2) extracellular digestion, and (3) intracellular digestion. A resting stage is preparative for    extracellular

Answer of Question of Nutrition & Digestion

Answer of Question of Nutrition & Digestion Ntroduction All animals require a balanced diet containing both fuels (mainly carbohydrates and ipids), and structural and functional components (proteins, minerals, and vitamins). For every multicellular animal, certain amino acids, lipids, vitamins, and minerals are essential” dietary


OBJECTIVES OF AMPHIBIANS Multi le Choice Questions MCQs 1. Number of species of order Caudata are: (a)300                          (b) 350                                 (c) 400                               (d) 500 2. Salamander belongs to: (a) Caudata               (b) Gymnophiona                (c) Anura                        (d) None 3. Phenomenon of paedomorphosis is shown by: (a)Newt                         (b)