'Species concept' diaporamas de présentation

Speciation

Speciation. 26. Key Concepts. Speciation occurs when populations of the same species become genetically isolated by lack of gene flow and then diverge from each other due to natural selection, genetic drift, or mutation.

959 views • 65 slides

JEOPARDY!

JEOPARDY!. Click Once to Begin. JEOPARDY!. Hist of Evolutionary Thought. Darwin and Natural Selection. Speciation. Hardy Weinberg Equilibrium. Population Genetics. Kinds of Selection. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300.

756 views • 64 slides

DNA Barcoding and the biological species concept: Valerio Sbordoni Dipartimento di Biologia

845 views • 54 slides

Who are you?

Who are you?. Homo sapiens. The species concept. Dr.S.N.Hegde Professor of Zoology University of Mysore Manasagangotri, Mysore - 570006. 09448365799. malerhegde@yahoo.com. History of species. Aristotle used the words genus and species to mean generic and specific categories.

582 views • 45 slides

The Basic Organization of Living Forms

The Basic Organization of Living Forms. ESC 556 Environmental Biology Week 2. Fundamentals of Life. Characteristics of Life Living matter vs. Inanimate matter Cellular organisation Nutrition Growth Respiration Responsiveness Movement Excretion Reproduction Catabolism vs. Anabolism.

529 views • 42 slides

538 views • 38 slides

510 views • 37 slides

The Evolution of New Species

504 views • 36 slides

VRSTA

575 views • 35 slides

Chapter 24 The Origin of Species

445 views • 31 slides

Lesson 3: Phylogeny & Modern Taxonomy

709 views • 30 slides

Comparative Anatomy

Comparative Anatomy. Studies in Vertebrate Structure. Introductory Concepts Evolution Kinds of Chordates Developmental Processes. What should we know about anatomy Parts Names Developmental Origins Functions. Introductory Concepts Evolution Kinds of Chordates Developmental Processes.

495 views • 27 slides

Species concept

Species concept. Different species usually form clusters of phenotypes. Length. Mass. Chronospecies. Evolutionary species. Species concepts. What is a species? What are the criteria for defining a species?.

977 views • 26 slides

What is a Flora? Peter Hovenkamp

What is a Flora? Peter Hovenkamp. What is not a Flora?. Labwork /ecology paper Species selection on non-taxonomic criteria No identification tool Character selection other than diagnostic value One specimen?. What is not a Flora?. Taxonomic monograph All species

436 views • 25 slides

Bioinformatics CSM17 Week2: Biological Classification

1.7k views • 21 slides

263 views • 18 slides

Bioinformatics CSM17 Week 2: Biological Classification

348 views • 18 slides

335 views • 15 slides

Evolution! Concept 1: Analyzing the modes of speciation (macroevolution )

230 views • 12 slides

The Origin of Species

Chapter 24. The Origin of Species. Questions prepared by Jung Choi Georgia Institute of Technology Michael Dini Texas Tech University. Biological Species. are members of different populations cannot mate and produce viable, fertile offspring are geographically isolated

270 views • 11 slides