1.Speciation Speciation: splitting of one species into 2 different species. What is a species? Based on ability to reproduce. “ Biological species concept”: a species…

1. Survival of theFittest 2. What type ofselection is this?a. Disruptiveb.Directionalc. Stablilizingd.Sporatic 3. This person experimented withheating of chicken broth todisprove…

1. Biodiversity Diversity Video 2. Why should Humans (at the top of the Hierarchy of Living things) care about those below? 3. Species Diversity Scientists have identified…

Biological Diversity & Speciation How it evolves There are about 1.8 million formerly classified (named) species 1,000,000 of these observations are insects. 300,000…

Slide 1 Speciation How new species originate Slide 2 Speciation (a.k.a macroevolution) There are two patterns of speciation as evidenced by the fossil record –Anagenesis…

Slide 1 Slide 2  Definition of a Species and Speciation  Reproductive barriers between species  Different forms of Speciation  Adaptive radiation  Convergent…

Slide 1 The Origin of Species AP Biology Chapter 24 Slide 2 Objectives Distinguish between prezygotic and postzygotic isolating mechanisms. Recognize and differentiate between…

Slide 1 Learning Goal Examine how life continues to evolve within a changing environment Slide 2 Speciation and extinction have occurred throughout the Earth’s history.…

Slide 1 Macroevolution Slide 2 Biological Species Concept Species are groups of actually or potentially interbreeding natural populations which are reproductively isolated…

Slide 1 I. REPRODUCTIVE ISOLATING MECHANISMS in order for one population to become very different from another, they must be reproductively isolated, there are Prezygotic…