Slide 1Community Ecology Link to course web page Slide 2 any set of organisms currently living near each other and about which it is interesting to talk Painting by D. Kaspari…

Slide 1What is a Species? Speciation and the Maggot Fly by Joan Sharp Simon Fraser University Modified from a case by Martin G. Kelly, Buffalo State College 1 Slide 2 CQ#1:…

1.Chapter 14 The Origin of Species 02. Mosquito Mystery Speciation is the emergence of new species In England and North America Two species of mosquitoes exist and spread…

1.Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece Lectures by Chris…

1.The Descent with Modification2. Evolution Life first originated some 3.8 billion years ago. Organisms come to exist by the Transfer of Genetic Material, within a surrounding…

1. Ecosystems Complex structures containing mother nature’s gifts! 2. Ecosystems Anecosystemis a natural unit consisting of all plants, animals and micro-organisms in an…

1. Name – Gurjit Kaur Class – 9th E₂ Roll No. – 5 House no. – T-841 2. INTRODUCTION  A population is a summation of all the organisms of the same group or species,…

Slide 1 Slide 2 Investigating the Evolutionary History of Life Slide 3 How are phylogenetic trees useful? Assumptions Mutations that are not expressed are maintained. They…

Slide 1Biodiversity Studied in a relatively new field called Conservation Biology Consists of three components: 1.Species 2.Genes 3.Ecosystems Slide 2 The Biological Species…

Slide 1Risk and Toxicology Chapter 19 The Ebola virus causes a form of hemorrhagic fever, and was first recognized in Africa in 1976. The virus is transmitted through direct…