DEFINITIONS AND KEY POINTS FOR OBJECTIVES IN REPTILES
saadiaDEFINITIONS AND KEY POINTS FOR OBJECTIVES IN REPTILES TERMS DEFINITIONS Keratin Keratin is a resistant protein. Carapace The dorsal portion of the shell of turtles is the carapace. Plastron The…
FURTHER PHYLOGENETIC CONSIDERATIONS IN REPTILES
FURTHER PHYLOGENETIC CONSIDERATIONS IN REPTILES The archosaur and synapsid lineages of ancient reptiles diverged from ancient amniotes about 280 million years ago. Archosaur lineage The dinosaurs belonged to archosaur lineage.…
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:…
Answer of Question of TEMPERATURE AND BODY FLUID REGULATION
rubabAnswer of Question of TEMPERATURE AND BODY FLUID REGULATION Introduction Thermoregulation maintains body temperature within a range conducive to metabolism. The maintenance of body temperature within a range that enables…
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…
Survey of the Reptiles – Structure and characteristics of Reptiles
SURVEY OF THE REPTILES Reptiles have Following characteristics: 1. Their skull has one surface (condyle) for articulation with the first neck vertebra. 2. Respiration takes place by lungs. 3. They…
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.…
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,…
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).…
OBJECTIVES OF AMPHIBIANS
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)…