'Ecological species concept' diaporamas de présentation

Figure 4.3 (b)

Figure 4.3 (b). 24 The Origin of species. Species and Speciation. Fundamental unit of classification is the species. Species = a group of populations in which genes are actually, or potentially, exchanged through interbreeding. Problems

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Chapter 5

Chapter 5. Macroevolution: Processes of Vertebrate and Mammalian Evolution. Chapter Outline. The Human Place in the Organic World Principles of Classification Definition of Species Vertebrate Evolutionary History: A Brief Summary Mammalian Evolution. Chapter Outline.

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THE ORIGIN OF SPECIES

THE ORIGIN OF SPECIES. Microevolution explains evolutionary changes within a population. Macroevolution considers the origin of new taxonomic groups. SPECIATION. The origin of a new species Anagenesis (phyletic evolution)- describes the transformation of one species into a new species

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Figure 14.0-2

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Chapter 24

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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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Measuring and Monitoring Biodiversity

Measuring and Monitoring Biodiversity. Outline. What is biodiversity? The challenges of defining a species How many are there? Measuring biodiversity at the species level. What is biodiversity?. What is a species?. Two conflicting viewpoints. Biological Species Concept (BSC).

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Chapter 24 The Origin of Species

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Figure 4.3 (b)

Figure 4.3 (b). The Origin of species. Species and Speciation. Fundamental unit of classification is the species. Species = a group of populations in which genes are actually, or potentially, exchanged through interbreeding. Problems

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Lesson 9 the origin of species

Lesson 9 the origin of species. Charles Darwin and the Origin of Species. Charles Robert Darwin(1809.02.12 ? 1882.04.19), who is the father of the theory of origin of species. Background information. This article is about Charles Darwin's book.

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PLANT OF THE DAY! Stevia rebaudiana, commonly known as sweetleaf Close relative of sunflower native to South America

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Species Concepts

Species Concepts. Species in Theory and Practice. Biologists have not been able to agree on exactly what a species is, or how species should be abstractly define - the controversy is theoretical, not practical Under most circumstances, there are no practical problems when defining species.

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Plant Names and Classification

Plant Names and Classification. Chapter 16. Outline. Introduction Development of the Binomial System of Nomenclature Linnaeus The International Code of Nomenclature for Algae, Fungi, and Plants Development of the Kingdom Concept Classification of Major Groups The Species Concept.

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Chapter 8, Processes of Macroevolution

Chapter 8, Processes of Macroevolution. Key Terms. metazoa Multicellular animals; a major division of the animal kingdom. chordata The phylum of the animal kingdom that includes vertebrates. vertebrates Animals with bony backbones; includes fishes, amphibians, reptiles, birds and mammals.

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Species

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