'Reproductive isolation' presentation slideshows

Evolution Review

Evolution Review. 1. Shells, bones, insects trapped in sap, or traces of dead organisms are examples of?. Homologus structures Vestigial structures Fossils adaptations. 1. Shells, bones, insects trapped in sap, or traces of dead organisms are examples of?. Homologus structures

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Speciation

17. Speciation. Chapter 17 Speciation. Key Concepts 17.1 Species Are Reproductively Isolated Lineages on the Tree of Life 17.2 Speciation Is a Natural Consequence of Population Subdivision 17.3 Speciation May Occur through Geographic Isolation or in Sympatry

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Science Jeopardy

Science Jeopardy. Slide 25. Ecology. Scientific Investigation. Molecular & Cellular. Systems & Organisms. Pot luck. 10. 10. 10. 10. 10. 20. 20. 20. 20. 20. 30. 30. 30. 30. 30. 40. 40. 40. 40. 40.

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CHAPTER 24 THE ORIGIN OF SPECIES

CHAPTER 24 THE ORIGIN OF SPECIES. Different Species Of Japanese Ants!!! What is a species ? How does speciation occur ?. Mutations + Sexual recombination + genetic drift +gene flow + natural selection! = . Macroevolution: --the origin of new species, genera,

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Speciation 2

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Biology

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A Recipe for Disaster: Rise of the Hominids

A Recipe for Disaster: Rise of the Hominids. Misconceptions: 1) Our ancestors were apes

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Species and Speciation, Pt. 2

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Chapter 4

Chapter 4. Biodiversity and Evolution. Chapter 6 Evolution and Biodiversity. What is biodiversity?

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Mechanisms of Evolution

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EVOLUTION OF POPULATIONS

EVOLUTION OF POPULATIONS. What is evolution? The change in the genetic make-up of a species over time. POPULATION GENETICS. Study of evolution from a genetic point of view What is a population?

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REPRODUCTIVE ISOLATION

REPRODUCTIVE ISOLATION. What is reproductive isolation?. Reproductive isolation prevents gene flow between species. A reproductive isolating mechanism prevents individuals of different species from reproducing successfully together.

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The Mutation Theory and the Species-Concept

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The Mutation Theory and the Species-Concept

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Classification

Classification. Assumptions: Nature is Lawful, Uniform & Intelligible. Classification based on utility : edible vs inedible, poisonous vs non poisonous, where found, etc.

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Speciation

horse. donkey. Speciation. mule. lion. Speciation. Defined : evolution of a new species Species : group of organisms that can interbreed and produce fertile offspring Different species rarely breed Interspecies breeding often results in sterile offspring Ex: Horse x Donkey = Mule

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The Evolution of Populations & Speciation

The Evolution of Populations & Speciation. Chapter 16. Genetic Equilibrium. Population Genetics: the study of evolution from a genetic viewpoint Most popltns have variation amongst their traits i.e. different heights, skin color, etc. If graphed, looks like a bell.

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