PPT-Evolution of Whales Evidence

Adapted from National Center for Case Study Teaching in Science Order Cetacea whales dolphins etc Mammals specialized for aquatic lifestyle Most are marine some freshwater Many are highly intelligent and social. Variation in Living Things. SPECIES  - Group of organisms that interbreed. VARIATION - small differences between individuals of a species  . Some neither helpful nor harmful  . Some enable organism to be better suited to its environment.. EQ: What evidence convinced Darwin that species could change over time?. TEK 7ACDE. (. Supported . by 5 branches of . science. ). Evidence of Evolution. The Fossil Record (Paleontology). Geographic Distribution of Living Things (Geography). Please do the following:. pick up the handouts from the front table. have out your science notebook. Have a post-it note/index card out and ready to report on homework! . Whale Evolution Video. On a post-it note, give me THREE facts about Evolution. . The Evidence . for the . Evolution . of W. hales. by. . Gabriel D. McNett. Department of Biology & . Environmental Science. Westminster College, . Fulton, MO. NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE. There is overwhelming evidence for the evolution of life on Earth. . Evolution in summary. Evolution occurs when heritable characteristics of a species change. . Evolution at its most fundamental level simply describes a . Evidence of Evolution. Essential Questions. What is the anatomical evidence of evolution?. How are fossils used as evidence of evolution?. What evolutionary evidence do we have from the field comparative embryology?. Organism DNA. 1a. Some of the strongest evidence for evolutionary relationships comes from studying the DNA of different organisms.. 1b. The fact that all organisms use the same DNA molecule to code for genetic information suggests that these organisms share a distant ancestor.. LAMARCK (1744 – 1829) . He proposed . 3 theories. to explain how species change…. Theory of Need. Theory of Use and Disuse. The Theory that Acquired Traits Can Be Passed on to Offspring.. August Weismann (1834-1914). 30 Minute Inquiry Activity. Research one of the following types of Evolutionary Evidence:. Fossil . Record. Vestigial . Structures. Homologous . Structures. Comparative . DNA. Note . the following about your type of evidence:. The theory of evolution is supported by evidence from . the fossil record. comparative anatomy. comparative embryology. biogeography. molecular biology. and observed evolutionary change. . Trends in hominid evolution from early ancestors to. What do we use in order to determine evolutionary relationships?. Fossil Record. Anatomical Evidence. Molecular Evidence. Embryological Evidence. Evidence for Evolution. Fossil Record. Evidence for Evolution. Evidence. Evidence. . of . common ancestry . among species comes from many sources.. . 2. FIVE PIECES OF EVIDENCE FOR EVOLUTION. G – Geographical . distribution . F – Fossil . evidence (remains of ancient organisms). Early scientists proposed ideas about evolution. . Evolution is the biological change process by which descendants come to differ from their ancestors.. A species is a group of organisms that can reproduce and have fertile offspring.. Chapter 17: Processes of Evolution. Early Beliefs. 19. th. century: discovered species shared many traits, but lived in different parts of the world. Problematic – species only looked similar on the outside, but inside were very different .