Chapter 9 Evolution Barrons Book. Microevolution House sparrows have adapted to the climate of North America, ] mosquitoes have evolved in response to.
Macroevolution: Evolution of a New Species. Levels of Evolutionary Study Microevolution: examines changes to the genes (alleles) within populations –Population.
Benign Biogeography Arthur Baney, Lindsey Pedroncelli, Tiffany Blanton, Husna Hadi The study of the distribution of biodiversity over space and time. It.
Evolution 15.2. Objectives Describe how evolution can refine existing adaptations. Explain how existing structures can take on new functions through evolution.
Macroevolution. Macroevolution The origin of taxonomic groups higher than the species level Concerned with major events in the history of life as found.
1 1 Population Genetics. 2 2 The Gene Pool Members of a species can interbreed & produce fertile offspring Species have a shared gene pool Gene pool –
_____ is a trait may develop quickly – example: antibiotic resistance Physiological Adaptation.
Evolution Any change in the genetic constitution of a population of organisms. –Changes of lesser magnitude are called microevolution. –Changes at or near.
EVOLUTION - POPULATIONS, SPECIATION AND ADAPTIVE RADIATION Population – a group of interbreeding organisms Gene pool – the sum of all of the genetic components.
Macroevolution. Biological Species Concept Species are groups of actually or potentially interbreeding natural populations which are reproductively isolated.
Tracing Evolutionary History. Macroevolution Dating Prehistoric Material Radioactive Isotopes Carbon 14 Potassium 40.
Evolution And Natural Selection Chapter 13. Evolution Evolution is a change in the frequency of genetically determined characteristics within a population.