'Vestigial structures' diaporamas de présentation

Vestigial structures - PowerPoint PPT Presentation


Chapter 16.3 and 16.4

Chapter 16.3 and 16.4

Chapter 16.3 and 16.4. 16.3 Darwin Presents His Case 16.4 Evidence for Evolution. 16.3: Evolution by Natural Selection. Under what conditions does Natural Selection occur ?. Evolution by Natural Selection. The Struggle for Existence More organisms are produced than can actually survive.

By gaetan
(837 views)

Evolution Evidence of Evolution

Evolution Evidence of Evolution

Evolution Evidence of Evolution. SBI 4U evolution. Outline. Fossil Evidence Comparative Anatomy Homologous Structures Analogous Structures Vestigial Organs and Structures Embryology Summary Questions Readings. Fossil Evidence.

By paul2
(158 views)

Principles of Evolution

Principles of Evolution

Principles of Evolution. Chapter 14. What is Evolution?. Evolution is the change in inheritable traits in a population over generations. Change in traits is caused by changes in the genes (in DNA) that code for those traits.

By vui
(156 views)

Review Chapters 14 and 15

Review Chapters 14 and 15

Review Chapters 14 and 15. Evolution. Which answer best shows an animal's adaptation to the tropical rain forest ?. An elephant’s long trunk The long neck of a giraffe Camouflage in a tree frog. Answer Now.

By mohammed
(80 views)

Descent With Modification: A Darwinian View of Life

Descent With Modification: A Darwinian View of Life

Descent With Modification: A Darwinian View of Life . Campbell Chapter 22. What Evolution Is. Descent with modification Change in genetic frequencies over time Change with inheritance. From http://evolution.berkeley.edu/evosite/evo101/IIntro.shtml. What Evolution Isn’t.

By venecia
(222 views)

Introduction

Introduction

Introduction. I. History. A. Background Thoughts. Major Contributors. Contributions & Controversies. 1. Aristotle , 300BC. Scalae Naturae = fixed state. 2. Theology. Creationism. 3. Linnaeus , 1700’s. Taxonomy. 4. Buffon , 1700’s. Multiple creation sites & times.

By finn
(95 views)

Michigan High School Science Meap Test

Michigan High School Science Meap Test

Michigan High School Science Meap Test. STUDY of LIFE. Biology Review. LE. Biology Evolution Benchmark 1. Describe what biologists consider to be evidence for human evolutionary relationships to selected animal groups. Key Concepts. Common types of evidence used hominid fossils

By umay
(85 views)

Evolution Evidence of Evolution

Evolution Evidence of Evolution

Evolution Evidence of Evolution. Outline. Fossil Evidence Comparative Anatomy Homologous Structures Analogous Structures Vestigial Organs and Structures Embryology Summary Questions Readings. 1. Fossil Evidence.

By adrina
(208 views)

Darwin VS. Lamarck

Darwin VS. Lamarck

Darwin VS. Lamarck. Chapter 15-2. First to propose the theory of evolution. Lamarck claimed that species are descendents from early ancestors. Fossil records supported his findings. . Jean Baptiste de Lamarck (1744-1829). Lamarck’s Theory.

By leland
(521 views)

EVOLUTION…Part 1

EVOLUTION…Part 1

Darwin. Natural Selection. EVOLUTION…Part 1. Chapter 16. Lamarck. Evidence. Charles Darwin. Born Feb. 12, 1809 in England 1831-1836 Served as a naturalist aboard the HMS Beagle 1835 The Beagle arrived in the Galapagos Islands (off the coast of South America)

By zulema
(163 views)

EVIDENCE FOR EVOLUTION

EVIDENCE FOR EVOLUTION

EVIDENCE FOR EVOLUTION. Fossils. GEOGRAPHIC DISTRIBUTION. Example: Many pouched mammals (marsupials) in Australia Few placental mammals ( deer, squirrels). SIMILARITIES IN STRUCTURE. Homologous structures. VESTIGIAL STRUCTURES. SIMILARITIES IN DEVELOPMENT. Similar development

By kelli
(116 views)

Thursday 06				Bellringer

Thursday 06 Bellringer

Thursday 06 Bellringer. EOCT Practice Question: What did the different kinds of finches that Darwin studied have in common? Ecosystem Ancestors Beak Shape Diet. Friday 07, 2014 Bellringer. Explain to me in a few sentences how the image below relates to Evolution.

By meadow
(546 views)

Comparative Anatomy

Comparative Anatomy

Comparative Anatomy. Evidence for evolution. Homology and Analogy. Homology: A similar physiological structure inherited from a common ancestor. Does not necessarily have the same function!

By zuzela
(190 views)

Bio Bootcamp

Bio Bootcamp

Bio Bootcamp. Evolution Review. Sample Question. Population A. This graph illustrates changes in two different lizard populations over time. Which process MOST LIKELY led to the change in the allele frequency for population B? Natural selection acting on a harmful trait

By zola
(100 views)

Anatomists

Anatomists

Anatomists. Organisms that are related have similarities that all come from common ancestors. The similarities are known as homologies. comparing anatomies of different living things seeing the similarities and differences in the cells analizing embryological development

By herne
(157 views)

Some Evidence for evolution

Some Evidence for evolution

Some Evidence for evolution. adaptations. Contrivances. Homologous structures. Analogous structures. Vestigial structures. ATavisms. Allometric growth patterns. Embryology. Choices: Cat Pig Dolphin Human Mouse Chicken.

By remy
(208 views)

UNIT 4 – Evolution

UNIT 4 – Evolution

UNIT 4 – Evolution. A BRIEF REVIEW OF SUBTOPICS. Adaptation & Variation. Extinction Adaptations: Structural Behavioural Physiological Variations How do variations develop? How do variations become adaptations?. Adaptation & Variation (con’t). Mutations Selective advantage

By hilde
(97 views)

Ecology

Ecology

Ecology. Big Ideas. Energy. Energy flows through every ecological system Inputs = what goes into the ecosystem Outputs = what goes out of the system. Food Webs. Increased biodiversity means a healthier ecosystem. Energy Transfer between Trophic Levels. 10% Energy Transfer

By julius
(128 views)

5.4 Evolution

5.4 Evolution

5.4 Evolution. IB Biology. Evolution. The cumulative change in the heritable characteristics of a population Cumulative – small changes over time (many generations) Heritable – gene-controlled factors/traits Population – not an individual

By erik
(151 views)

Evolution Review Game

Evolution Review Game

Evolution Review Game. Answer each question by writing your answers on a piece of paper. I will give about 30 seconds for you to discuss each question with your partners. When all the questions have been answered, we will exchange our answers. The group with the most correct answers WINS !.

By wyome
(97 views)

View Vestigial structures PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Vestigial structures PowerPoint presentations. You can view or download Vestigial structures presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.