Bio 151 1st Edition Lecture 2 Outline of Last Lecture I Introduction to Biology Outline of Current Lecture II Scientific Inquiry A Support for Darwin s findings III Unifying Themes of Biology Current Lecture Scientific Inquiry Darwin 1800 voyage on HMS Beagle 1 Observed variation in physically close proximity Darwin pulls an idea that adaptations dealt directly with survival Changes would continue due to evolution heredity 2 Published Wallace studied in Indonesia English Naturalist Did not get published for similar ideas as Darwin Support 1 Fossil Record transitional forms of species have been found in the apparent correct positions Support gradual evolutionary change 2 Age of the Earth 1800s Earth thought to be approximately a few thousand years old Today Best evidence shows that the Earth is 4 5 billion years old and life on earth dates back to 3 5 billion years 3 Heredity No knowledge of molecular biology until the 20th century Mendel pea plants 4 Comparative Anatomy particular physical attributes bones etc are present in evolutionarily different types of animals vertebrates 5 Molecular Biology genetic sequencing Unifying Themes of Biology 1 Cell Theory all living things come from cells and are made up of cells Possess sensitivity 2 Molecular Inheritance DNA encodes genes required allow for things to change and for things to replicate and stay the same 3 Structure and Function Relationship function depends on structure 4 Diversity organisms with common origins can have significant differences via evolution A Domain Groups and Kingdoms Eukayra Plantae These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Animalia Protista Fungi Archae Old bacteria in extremes conditions Bacteria 5 Evolution and Conservation support life from a common origin