1. Onychophora By Wyatt and Silus 2. It belongs to the domain Eukaryote.The kingdom Animalia. Believed to be the missing like between worms and arthropods.Usually halve grey,…

1.   2. What Is A Chordate? Chordates(KAWR-dayts)are members of the phylumChordata. To be considered a chordate an animal must have four key characteristics A Dorsal Hollow…

1. Chapter 34 Vertebrates 2. Overview: Half a Billion Years of Backbones Early in the Cambrian period, about 530 million years ago, an astonishing variety of animals inhabited…

1. •Duration: about 30 millions years. • Maximunm thickness: 70,000 feet. • The Silurian Period (from the name of an ancient British tribe, the Silures) lies between…

1. Antigen recognition in innate and adaptive immunity Diversity in antigen recognition receptors 2. Immune system The ability to distinguish self from non-self 3. Innate…

1. TrilobiteThe trilobite was found inthe sea.The environment wasfilled with sea scorpionsand ammonites.• Multi-legged shellfish• Have tower like eyesNAME: Alex AkinrinmolaI…

1. “Agnathans” By: J.Q 2. Agnathans . Agnathans meaning “without jaws” these “jawless” fishes lack a biting apparatus. Examples: Hagfishes (Myxinoidea) and lamprey…

1. A fish is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits. Included in this definition…

1 Panspermia means that life exists everywhere and is transferred by various objects like comets, asteroids and space rocks. Why name it Panspermia? In IT, there exists many…

Copyright 2005 Pearson Education, Inc. publishing as Benjamin CummingsPowerPoint Lectures for Biology, Seventh EditionNeil Campbell and Jane ReeceLectures by Chris RomeroChapter…