PDF-First of all, what species is this? Common

1 2 3 nighthawk 4 So we have our history now what do we want to do with this patient Yes physical exam This is just a picture showing the difference between the juvenile and adult feather pigme. Shearwaters at Freeman Seabird Preserve, O`ahu. Harrison Pravder. Hokule`a Program, Washington University in St. Louis. INTRODUCTION. Conservation Climate. A staggering 340 out of the United States’ 1500 endangered species call . Chapter 18. Why Classify. Classification is used to name organisms and group them in a logical manner . Biologists have classified and named over 1.5 million species. Estimate that 2 million- 100 million have yet to be discovered. Species. Are species real?. How do we define a species?. Is there one “right” species concept that will be applicable to all organisms? . What is the difference between a theoretical species concept and a operational species concept?. . Allopatric Speciation Sympatric Speciation Adaptive Radiation. Objectives. To define speciation. To explore the different types of speciation. To examine real life examples of different types of speciation. By . Chris Paine. https. ://. bioknowledgy.weebly.com. /. . 5.4 Cladistics. The images above are both . cladograms. . They . show . the statistical similarities between species based on their DNA/RNA. The . . Allopatric Speciation Sympatric Speciation Adaptive Radiation. Objectives. To define speciation. To explore the different types of speciation. To examine real life examples of different types of speciation. Animals and fungi are more closely related than either is to plants.. Who is more closely related?. Determining Evolutionary Relationships . Fossils. Morphology (homologous structures). Why can’t we use analogous structures? . On Being the Same. Yet Different. Overview. Reality of species. Defining species. Analogy vs. homology and parallelism vs convergence. How are species related?. Classification based on phylogeny. 3 Key Questions. Dichotomous Key. A dichotomous key is a method for determining the identity of something by going through a series of choices that leads the user to the correct name of the item. At each step of the process of using the key, the user is given . 1a. Identify the order, family, species, common name. 1b. What is a common nickname for these birds and what makes them so awesome? 1c. What makes this bird different from other water birds? 1d. Describes this A . dichotomous key . is used to identify organisms. It consists of a series of paired statements or questions that describe alternative possible characteristics of an organism.. Binomial nomenclature. Common nameScientific nameGRankSRankFederalHeritageFish 64 speciesAlabama ShadAlosa alabamaeG3S1Atractosteus spatulaG3S1Ashy DarterEtheostoma cinereumG2S3Black BuffaloIctiobus nigerG5S3G2S2cumberlande KEY CONCEPT . Organisms can be classified based on physical similarities.. Linnaeus developed the scientific naming system still used today.. Taxonomy is the science of naming and classifying organisms. . Prove It!. Biogeography. Homologous and Analogous Structures. Fossil record. biogeography. The geographic distribution of plants and animals over the surface of the Earth. Pangaea. 270 million years ago all of the planet’s land mass was combined into one super continent.