By: Nikita Mathew, Noor Al-Alusi, Sara Shu Period 3 Chordata: Amphibians,
DEVELOPMENT OF UROGENITAL SYSTEM By Dr Samina Anjum.
Phylum Chordata. What Is A Chordate? 4 characteristics present at some stage of life 1.A dorsal, hollow nerve cord (called spinal cord in vertebrates)
Urinary System- Kidney Overall function – Osmoregulation (water, salt) – Nitrogenous waste in tetrapods – Ammonia in amphibians – Urea in mammals – Uric.
Shark Anatomy. 1. 2. 1. Ilium2. Spleen 1. 2. 3. 1. Spleen2. Liver 3. Testis.
Dissection Bird Groups General Characteristics.
3 Classes down, 2 more to go Myxini (hagfishes) Petromyzontida (lampreys) Chondrichthyes (sharks, rays and chimaeras) – How many?
Chondrichthyse Alex Gosse and Zac Doucette. Phylogenetic Tree.
Chapter 40 Amphibians Section 3 Reproduction in Amphibians.
Turtle Dissection. Scientists believe other land vertebrates evolved from BONY LOBE-FINNED fish.
TURTLE PARTS. The small segments on a turtle’s shell are called ______________ scutes This part of the shell that covers the Dorsal surface is the _______________.
Reptiles Section 31.1. Animal Classification Animals Invertebrates Vertebrates Sponges Cnidarians Worms Mollusks Arthropods Echinoderms Ectotherms (cold-blooded)