62 Heterochrony PPTs View free & download

Heterochrony in Avian Brain Development Georg F' Striedter Department of Neurobiology PowerPoint PPT Presentation

Heterochrony in Avian Brain Development Georg F' Striedter Department of Neurobiology - Quantify brain region growth in embryos of different species. Budgerigar. Northern Bobwhite Quail. Domestic Chicken (White Leghorn strain) ...

Quantify brain region growth in embryos of different species. Budgerigar. Northern Bobwhite Quail. Domestic Chicken (White Leghorn strain) ...

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Infant Capacities and the Process of Change PowerPoint PPT Presentation

Infant Capacities and the Process of Change - 'Babies control and bring up their families as much as they are controlled by ... to the same level due to different developmental rates (i.e., heterochrony) ...

'Babies control and bring up their families as much as they are controlled by ... to the same level due to different developmental rates (i.e., heterochrony) ...

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CAP6938 Neuroevolution and Artificial Embryogeny Artificial Embryogeny PowerPoint PPT Presentation

CAP6938 Neuroevolution and Artificial Embryogeny Artificial Embryogeny - 100 trillion connections in the human brain. 30,000 genes in the human genome ... Heterochrony. The order of concurrent events can vary in nature ...

100 trillion connections in the human brain. 30,000 genes in the human genome ... Heterochrony. The order of concurrent events can vary in nature ...

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Prsentation PowerPoint PowerPoint PPT Presentation

Prsentation PowerPoint - S. J. Gould (1977) Ontogeny and Phylogeny, p. 246-7. ' A clock model of heterochrony' ... S. J. Gould (1977) Ontogeny and Phylogeny, p. 408. ...

S. J. Gould (1977) Ontogeny and Phylogeny, p. 246-7. ' A clock model of heterochrony' ... S. J. Gould (1977) Ontogeny and Phylogeny, p. 408. ...

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Chapter 24: The Origin of species PowerPoint PPT Presentation

Chapter 24: The Origin of species - Chapter 24: The Origin of species-Macroevolution = the origin of new taxonomic groups Speciation = origin of new species Anagenesis vs. Cladogenesis

Chapter 24: The Origin of species-Macroevolution = the origin of new taxonomic groups Speciation = origin of new species Anagenesis vs. Cladogenesis

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Hemichordates possibly similar to vertebrate ancestors PowerPoint PPT Presentation

Hemichordates possibly similar to vertebrate ancestors - B.J. Swalla, Univ. of Washington, http://faculty.washington.edu/bjswalla/ Urochordates ... link, WU-STL Tip Sheet, http://news-info.wustl.edu/tips/2002/science ...

B.J. Swalla, Univ. of Washington, http://faculty.washington.edu/bjswalla/ Urochordates ... link, WU-STL Tip Sheet, http://news-info.wustl.edu/tips/2002/science ...

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Wednesday, September 5 PowerPoint PPT Presentation

Wednesday, September 5 - Title: Wednesday, September 5 Author: Peter Last modified by: Peter Created Date: 8/16/2006 12:00:00 AM Document presentation format: On-screen Show (4:3)

Title: Wednesday, September 5 Author: Peter Last modified by: Peter Created Date: 8/16/2006 12:00:00 AM Document presentation format: On-screen Show (4:3)

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Chapter 24 The Origin of Species - Chapter 24 The Origin of Species Question? What is a species? Comment - Evolution theory must also explain how species originate. Two Concepts of Species ...

Chapter 24 The Origin of Species Question? What is a species? Comment - Evolution theory must also explain how species originate. Two Concepts of Species ...

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Phylogeny I Chordate Origins PowerPoint PPT Presentation

Phylogeny I Chordate Origins - ... notochord Central part of nervous system A hollow tube made up of neurons Extends entire length of amphioxus and jawless fishes Always dorsal to notochord ...

... notochord Central part of nervous system A hollow tube made up of neurons Extends entire length of amphioxus and jawless fishes Always dorsal to notochord ...

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The Origin of Species PowerPoint PPT Presentation

The Origin of Species - The Origin of Species Chapter 24

The Origin of Species Chapter 24

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Lecture 21: Macroevolution PowerPoint PPT Presentation

Lecture 21: Macroevolution - a) Hypermorphosis: dev't extended from to. 1 b) Predisplacement: y ... Wrasse & Angelfish. Skulls of Human, Chimp & Baboon. Evolution of Higher Taxa (Gould) ...

a) Hypermorphosis: dev't extended from to. 1 b) Predisplacement: y ... Wrasse & Angelfish. Skulls of Human, Chimp & Baboon. Evolution of Higher Taxa (Gould) ...

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The Origin of Species Macroevolution PowerPoint PPT Presentation

The Origin of Species Macroevolution - The Origin of Species Macroevolution Biological Species Concept Prezygotic Barriers Postzygotic Barriers Modes of Speciation Ring Species in Progress?

The Origin of Species Macroevolution Biological Species Concept Prezygotic Barriers Postzygotic Barriers Modes of Speciation Ring Species in Progress?

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Chapter 17- Sex Determination PowerPoint PPT Presentation

Chapter 17- Sex Determination - In frogs- hormones _____ (T4) and _____ (T3) are secreted from the _____ T3 Fig. 18.3 ...

In frogs- hormones _____ (T4) and _____ (T3) are secreted from the _____ T3 Fig. 18.3 ...

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Lecture 20: Morphological Changes in Macroevolution PowerPoint PPT Presentation

Lecture 20: Morphological Changes in Macroevolution - ear bones (mammal) (N.B. not direct descendants, C.A. ... (reptile mammal) Complexity of Lung ( amphib rept mamm) Reduction of skull bones ( fish mamm) ...

ear bones (mammal) (N.B. not direct descendants, C.A. ... (reptile mammal) Complexity of Lung ( amphib rept mamm) Reduction of skull bones ( fish mamm) ...

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4. Phylogeny I Chordate Origins PowerPoint PPT Presentation

4. Phylogeny I Chordate Origins - The pharynx is housed inside an atrium. Pharyngeal basket is ... metamorphosis. Subphylum Urochordata. Solitary tunicates. colonial tunicates. 1500 species ...

The pharynx is housed inside an atrium. Pharyngeal basket is ... metamorphosis. Subphylum Urochordata. Solitary tunicates. colonial tunicates. 1500 species ...

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History of Life on Earth PowerPoint PPT Presentation

History of Life on Earth - History of Life on Earth Chapter 25

History of Life on Earth Chapter 25

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Chapter 24 The Origin of Species - Title: Question Author: James C. Reidy Last modified by: lrobards Created Date: 7/8/1998 5:48:22 PM Document presentation format: On-screen Show (4:3)

Title: Question Author: James C. Reidy Last modified by: lrobards Created Date: 7/8/1998 5:48:22 PM Document presentation format: On-screen Show (4:3)

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Problem powiazania kolejnosci czasowej i funkcjonalnej w modelowaniu dynamicznych sieci otwartych (do policzenia) PowerPoint PPT Presentation

Problem powiazania kolejnosci czasowej i funkcjonalnej w modelowaniu dynamicznych sieci otwartych (do policzenia) - ... ci g postaci doros ych jednokom rkowy przodek embrion ze skrzelami czas geologiczny ryba Fenotyp zygota stadia ontogenezy ... which is constant for ...

... ci g postaci doros ych jednokom rkowy przodek embrion ze skrzelami czas geologiczny ryba Fenotyp zygota stadia ontogenezy ... which is constant for ...

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History of Life on Earth - Macroevolution Evolutionary change above a species Evolution on a grand scale Species in a new habitat Mass extinctions Early Earth ... EARLY TETRAPODS ...

Macroevolution Evolutionary change above a species Evolution on a grand scale Species in a new habitat Mass extinctions Early Earth ... EARLY TETRAPODS ...

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Figure 24'1 Two patterns of speciation PowerPoint PPT Presentation

Figure 24'1 Two patterns of speciation - Figure 24.5 A summary of reproductive barriers ... Figure 24.14a Botanist Hugo de Vries. Figure 24.14b The new primrose species of botanist Hugo de Vries ...

Figure 24.5 A summary of reproductive barriers ... Figure 24.14a Botanist Hugo de Vries. Figure 24.14b The new primrose species of botanist Hugo de Vries ...

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Development and Evolution PowerPoint PPT Presentation

Development and Evolution - Title: Development and Evolution Author: firestonel Last modified by: firerock Created Date: 3/28/2002 2:37:28 PM Document presentation format: On-screen Show (4:3)

Title: Development and Evolution Author: firestonel Last modified by: firerock Created Date: 3/28/2002 2:37:28 PM Document presentation format: On-screen Show (4:3)

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Lecture 20: Macroevolution PowerPoint PPT Presentation

Lecture 20: Macroevolution - Gradualism continental drift analogy; gradual changes in DNA sequences; ... Continental drift, which is the movement of the continents over time as huge ...

Gradualism continental drift analogy; gradual changes in DNA sequences; ... Continental drift, which is the movement of the continents over time as huge ...

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Norman MacLeod PowerPoint PPT Presentation

Norman MacLeod - Comparative anatomy is largely the history of life's attempts to increase area ... In the early 1900's Julian Huxley noticed that, when plotted on logarithmically ...

Comparative anatomy is largely the history of life's attempts to increase area ... In the early 1900's Julian Huxley noticed that, when plotted on logarithmically ...

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Cells- structure, function, membranes, and types PowerPoint PPT Presentation

Cells- structure, function, membranes, and types - PowerPoint Presentation

PowerPoint Presentation

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Evo........ - Slide 1 ... Evo.....

Slide 1 ... Evo.....

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Macroevolution Evolution of birds Evolution of birds PowerPoint PPT Presentation

Macroevolution Evolution of birds Evolution of birds - Macroevolution Evolution of birds Evolution of birds http://www.npr.org/templates/story/story.php?storyId=931047 4-winged dinosaur Possible Feather evolution ...

Macroevolution Evolution of birds Evolution of birds http://www.npr.org/templates/story/story.php?storyId=931047 4-winged dinosaur Possible Feather evolution ...

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Genes, Development, and Evolution (Back to the beginning) - Genes, Development, and Evolution (Back to the beginning)

Genes, Development, and Evolution (Back to the beginning)

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Zoology, BIOL 1413 PowerPoint PPT Presentation

Zoology, BIOL 1413 - Zoology, BIOL 1413. Saturday, September 4, 2004. Chapter 1. Science of Zoology and Evolution of Animal Diversity. Vocabulary. Evolution. Phylogeny ...

Zoology, BIOL 1413. Saturday, September 4, 2004. Chapter 1. Science of Zoology and Evolution of Animal Diversity. Vocabulary. Evolution. Phylogeny ...

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Human - Human Evolution What were our ancestors like? Where did we evolve? Why big brains? Relationships between populations? Who are the closest living relatives of humans?

Human Evolution What were our ancestors like? Where did we evolve? Why big brains? Relationships between populations? Who are the closest living relatives of humans?

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Evo........ - Slide 1 ... Evo.....

Slide 1 ... Evo.....

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Chapter 25 The History of Life on Earth PowerPoint PPT Presentation

Chapter 25 The History of Life on Earth - Key events include origin of single-cellular and multi ... Hyracotherium. Mesohippus. Miohippus. Orohippus. Epihippus. Key. Grazers. Browsers. Hypohippus ...

Key events include origin of single-cellular and multi ... Hyracotherium. Mesohippus. Miohippus. Orohippus. Epihippus. Key. Grazers. Browsers. Hypohippus ...

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CAP6938 Neuroevolution and Developmental Encoding Developmental Encoding PowerPoint PPT Presentation

CAP6938 Neuroevolution and Developmental Encoding Developmental Encoding - 100 trillion connections in the human brain. 30,000 genes in the ... Computational embryology. Developmental Encoding. Indirect Encoding. Generative Mapping ...

100 trillion connections in the human brain. 30,000 genes in the ... Computational embryology. Developmental Encoding. Indirect Encoding. Generative Mapping ...

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Speciation and Patterns of Evolution PowerPoint PPT Presentation

Speciation and Patterns of Evolution - Group of natural pops whose members can interbreed with one another but cannot ... Anagenesis accumulation of heritable changes in a population, transforming the ...

Group of natural pops whose members can interbreed with one another but cannot ... Anagenesis accumulation of heritable changes in a population, transforming the ...

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Organic%20Evolution PowerPoint PPT Presentation

Organic%20Evolution - Organic Evolution Chapter 6

Organic Evolution Chapter 6

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Vertebrate Zoology PowerPoint PPT Presentation

Vertebrate Zoology - ecology interactions of animals w/ each other & their physical environments ... hypothesis / set of hypotheses that provide a powerful explanation for a variety of ...

ecology interactions of animals w/ each other & their physical environments ... hypothesis / set of hypotheses that provide a powerful explanation for a variety of ...

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Different species are reproductively isolated PowerPoint PPT Presentation

Different species are reproductively isolated - temporal isolation different mating times. behavioral isolation songs, ... gamete isolation ... in meiosis result in 4N gametes. Self fertilization = 8N ...

temporal isolation different mating times. behavioral isolation songs, ... gamete isolation ... in meiosis result in 4N gametes. Self fertilization = 8N ...

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The History of Life on Earth PowerPoint PPT Presentation

The History of Life on Earth - Chapter 25 The History of Life on Earth * Figure 25.16 Trauma for Earth and its Cretaceous life. * * * 25.18 Mass extinctions and ecology. * * * Figure 25.19 Adaptive ...

Chapter 25 The History of Life on Earth * Figure 25.16 Trauma for Earth and its Cretaceous life. * * * 25.18 Mass extinctions and ecology. * * * Figure 25.19 Adaptive ...

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Adaptation - Adaptation Natural Selection v Evolution Evolution = observed change in organisms over historic and geologic time Natural selection = one hypothesized mechanism for ...

Adaptation Natural Selection v Evolution Evolution = observed change in organisms over historic and geologic time Natural selection = one hypothesized mechanism for ...

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Time and Simulation PowerPoint PPT Presentation

Time and Simulation - Time and Simulation By Gus Koehler Time Structures and The University of Southern California Prepared for presentation at FRIAM, Applied Complexity Group,

Time and Simulation By Gus Koehler Time Structures and The University of Southern California Prepared for presentation at FRIAM, Applied Complexity Group,

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Developmental Psychobiology PowerPoint PPT Presentation

Developmental Psychobiology - Views genes as distinct entities - 'nouns' contributing independent sources of ... Volvox. Somatic cell. Gonadidia cell. Cellular Induction ...

Views genes as distinct entities - 'nouns' contributing independent sources of ... Volvox. Somatic cell. Gonadidia cell. Cellular Induction ...

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Tracing Phylogeny: Macroevolution, the Fossil Record, and Systematics PowerPoint PPT Presentation

Tracing Phylogeny: Macroevolution, the Fossil Record, and Systematics - Younger sediments are found on top of older ones. strata at one location can be related to strata at another location by index fossils ... Axolotl ...

Younger sediments are found on top of older ones. strata at one location can be related to strata at another location by index fossils ... Axolotl ...

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- Parties: Carnivalesque? At pp. 108-109; lively lonely 112-13 faces and hands New-Park Community: Their Histories Parallel: ...

Parties: Carnivalesque? At pp. 108-109; lively lonely 112-13 faces and hands New-Park Community: Their Histories Parallel: ...

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Biology 2900 Principles of Evolution and Systematics - Biology 2900 Principles of Evolution and Systematics

Biology 2900 Principles of Evolution and Systematics

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Ontogeny - ... (1958) Embryos and Ancestors. Oxford: Clarendon Press. Eight Principles of de Beer Simplified to Two by Stephen Jay Gould Acceleration 2.

... (1958) Embryos and Ancestors. Oxford: Clarendon Press. Eight Principles of de Beer Simplified to Two by Stephen Jay Gould Acceleration 2.

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Complexity, Self-organization, and Evolution PowerPoint PPT Presentation

Complexity, Self-organization, and Evolution - 'I daresay you haven't had much practice,' said the Queen. ... Yet: behavior of ant colonies can be astounding. ... Slavery of other ant species. Farming of ...

'I daresay you haven't had much practice,' said the Queen. ... Yet: behavior of ant colonies can be astounding. ... Slavery of other ant species. Farming of ...

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Evolution of Development PowerPoint PPT Presentation

Evolution of Development - Gene divergence of AP3 altered function to control petal development ... regulate transcription of genes needed for stamen and petal formation ...

Gene divergence of AP3 altered function to control petal development ... regulate transcription of genes needed for stamen and petal formation ...

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AP Biology - AP Biology Evolution Chapters 22-25 Chapter 22 Evolution Evolution: the change over time of the genetic composition of populations Natural selection: populations ...

AP Biology Evolution Chapters 22-25 Chapter 22 Evolution Evolution: the change over time of the genetic composition of populations Natural selection: populations ...

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Species within a Genus. PowerPoint PPT Presentation

Species within a Genus. - Origin and Relationships of Modern Amphibians. Ray-finned Fish. Coelocanths. Lungfish ... and modern Amphibians. Thus outgroup. and character selection may be biased ...

Origin and Relationships of Modern Amphibians. Ray-finned Fish. Coelocanths. Lungfish ... and modern Amphibians. Thus outgroup. and character selection may be biased ...

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Comparative Anatomy Concepts PowerPoint PPT Presentation

Comparative Anatomy Concepts - Phylogenetic Systematics- shows relationships from past to present ... lost gills; (Right) adult axolotl salamander retains juvenile external gills. ...

Phylogenetic Systematics- shows relationships from past to present ... lost gills; (Right) adult axolotl salamander retains juvenile external gills. ...

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Organic Evolution PowerPoint PPT Presentation

Organic Evolution - Title: Descent with Modification Author: Nancy Wheat Last modified by: Nancy Created Date: 1/29/2006 5:20:29 PM Document presentation format: On-screen Show (4:3)

Title: Descent with Modification Author: Nancy Wheat Last modified by: Nancy Created Date: 1/29/2006 5:20:29 PM Document presentation format: On-screen Show (4:3)

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The Origin of Species How species emerge PowerPoint PPT Presentation

The Origin of Species How species emerge - The beginning of new forms of life the origin of species - is the focal ... patterns contribute to the contrasting shapes of human and chimpanzee skulls ...

The beginning of new forms of life the origin of species - is the focal ... patterns contribute to the contrasting shapes of human and chimpanzee skulls ...

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COMPARE/CONTRAST PowerPoint PPT Presentation

COMPARE/CONTRAST - COMPARE/CONTRAST AMHIBIAN AND REPTILE REPRODUCTION Amphibian Reproduction Complex Life Cycles Aquatic Larvae Gelatin Eggs Reptile Reproduction Simpler Life Cycles ...

COMPARE/CONTRAST AMHIBIAN AND REPTILE REPRODUCTION Amphibian Reproduction Complex Life Cycles Aquatic Larvae Gelatin Eggs Reptile Reproduction Simpler Life Cycles ...

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BIO 3220 - Embryology. Homology. Shared common ancestry. Same embryonic precursor. Analogy. Shared function ... Random chance mutations, coupled with geographic isolation ...

Embryology. Homology. Shared common ancestry. Same embryonic precursor. Analogy. Shared function ... Random chance mutations, coupled with geographic isolation ...

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David Lee - Spoken Lexicogrammar and Discourse Patterns in the Academy: MICASE past, ... Swales & Feak (2000:111) report that 'There is about a 2:1 preference for the ...

Spoken Lexicogrammar and Discourse Patterns in the Academy: MICASE past, ... Swales & Feak (2000:111) report that 'There is about a 2:1 preference for the ...

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David Lee - David Lee

David Lee

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Microfossil References PowerPoint PPT Presentation

Microfossil References - Boltovskoy, E. (1973): Reconstruction of post-Pliocene climate changes ... In: Treatise on invertebrate paleontology, part C. R. C. Moore (ed.), (2 vols). Geol. ...

Boltovskoy, E. (1973): Reconstruction of post-Pliocene climate changes ... In: Treatise on invertebrate paleontology, part C. R. C. Moore (ed.), (2 vols). Geol. ...

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Heterochrony PowerPoint PPT Presentations