'Comparative embryology' diaporamas de présentation

3/23/12- Document what you did on your DoNow Sheet for today.

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Evolution

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Biology Semester 2 Agendas

Biology Semester 2 Agendas. Transcript & schedules check Intros & expectations Evolution anticipation questions HW: get spiral notebook (70 - 100 pages). 1/5 Happy New Year!. Integrity Respect. Expectations. Dishonesty Tapping Wastefulness Writing / scratching on desk. Pet Peeves.

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Natural Selection and Evolution

Changes in Populations over Time. Natural Selection and Evolution. Chapter 22 Objectives. 1. Define evolution . 2. Discuss several observations which suggest relatedness between different species. Note observations of both fossil and living organisms .

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Chapter 13

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Evolution and Natural Selection

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Evolution and Natural Selection

Evolution and Natural Selection. 1744-1829 French biologist known for his idea that acquired traits are inheritable. Jean-Baptiste Lamarck. Alfred Russell Wallace. a contemporary of Darwin born 1823 in England died 1913 1848-53 Rio Amazonas & Rio Negro

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Evolution and Darwin

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Darwin & Microevolution

Darwin & Microevolution. Chapter 19-20. Charles Darwin (1809-1882). Former divinity and medical student Secured an unpaid position as ship's naturalist on the H.M.S. Beagle Voyage provided Darwin a unique opportunity to study plants, animals, and their environment

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2 types of evolution

2 types of evolution. Macroevolution. Microevolution. Changes within a gene pool Examples : Kettleworth moths Insect resistance Drug resistance. Changes beyond the species Examples : Biogeography Fossil record Homology Biochemical similarities Chromosomal similarities.

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Evolution Basics

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Ch. 14 Principles of Evolution

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The parents are heterozygous.

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Catalyst #1 Pg. 3

Catalyst #1 Pg. 3. 1. What is something exciting you did over the break. Explain with as much detail as possible, so that I can imagine it in my own mind. 2. What is one thing you are looking forward to this semester? 3. How are you going to make this semester better for you and your grades?.

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How did such tremendous diversity of life come to exist on this planet?

How did such tremendous diversity of life come to exist on this planet?. Evolution. Each organism is unrelated and is created independently Life evolved many times. All life shares common ancestry - all life is related Life evolved once only. What Did Darwin Do?. Two key things:

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Chapter 22: Descent with Modification: A Darwinian View of Life

Place notebooks on shelf IFOD Polar bears are invisible to infrared. Their hair is hollow. I will scream sometime during this chapter ?. Chapter 22: Descent with Modification: A Darwinian View of Life. Chapter 22: Descent with Modification: A Darwinian View of Life.

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Varieties of life forms

Varieties of life forms. Figure 1.4C-F. Clown, Fool, or Well Adapted?. All organisms have evolutionary adaptations Inherited characteristics that enhance their ability to survive and reproduce blue-footed booby Large, webbed feet help propel the bird through water at high speeds.

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Change Over Time

Change Over Time. Evolution: Change Over Time. Age of earth 4.55 billion years (rocks dated on earth 3.8 to 3.9 billion by decay of their radioactive elements) Life began 3.9 to 4.1 billion years ago Life forms have evolved over a long period of time

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Introduction to Embryology

Introduction to Embryology. Definition of Embryology: It is the study of the growth and differentiation undergone by an organism in the course of development from a single fertilized egg cell into a highly complex and independent living being like parents. Introduction to Embryology.

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Evidence of Evolution

Palaeontology Fossils Transitional forms Biogeography Selective environmental pressure Continental drift Comparative anatomy Homologous structures Vestigial structures Comparative embryology DNA sequencing . Evidence of Evolution.

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