SUBJECTIVE QUESTIONS OF REPTILES
saadiaSUBJECTIVE QUESTIONS OF REPTILES Write note on evolution of reptiles. Give the Cladistic and evolutionary interpretation of reptiles. Write note on turtles. Give shell in turtles. Why are turtle getting…
DEFINITIONS AND KEY POINTS FOR OBJECTIVES IN REPTILES
DEFINITIONS 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…
Fossil & Fossilization process – importance , types and divisions
abidaFOSSIL AND FOSSILIZATION in Plants PALEOBOTANY The study of fossils of plant life of the geologic past is called paleobotany. Paleobotany tells us the story of preserved vestiges of the…
Occurrence and evolution of Pteridophytes
Occurrence and evolution of Pteridophytes Pteridophyta is a group of ancient plants. They formed the dominant part of the earths during Palaeozoic and Mesozoic periods. Majority of Pteridophytes became extinct.…
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.…