Evidence for Evolution

Slides:

Advertisements

Similar presentations

Evidence for Evolution by Natural Selection

Advertisements

Regents Biology Evidence for Evolution by Natural Selection Hunting for evolution clues… Elementary, my dear, Darwin!

Evidence of Evolution (Don’t panic about the length! Out of the 27 slides, only 9 have written info on them. There’s just a lot of pictures.)

Common Ancestry.

Evidence for evolution in Darwin’s time came from several sources.

Evidence for Evolution Evidence Supporting Evolution Fossil record Fossil record shows change over timeshows change over time Anatomical record Anatomical.

Evidence for Evolution by Natural Selection Hunting for evolution clues… Elementary, my dear, Darwin!

Evidence Supporting Theory of Evolution (pages 126 – 133)

Evidence for Evolution Biology 40S Summer Session 2013.

AP Biology Evidence of Evolution by Natural Selection Dodo bird.

Evidence of Evolution.

AIM: How do comparative studies help trace evolution?

Evidence for Evolution by Natural Selection

Charles Darwin ( ) Sailed around the world

AP Biology Chapter 15.3 Evidence of Evolution Dodo bird.

Evidence of Evolution by Natural Selection

Evidence of Evolution Main Types of Evidence 1. Fossils 2. Homologous structures 3. Embryology.

Evidence for Evolution by Natural Selection

Evidences of EVOLUTION. Evidence Supporting Evolutionary Theory Fossil Record Fossil Record Biogeography Biogeography Homologies Homologies Anatomical-

Evidence of Evolution by Natural Selection

Regents Biology Evidence for Evolution by Natural Selection Hunting for evolution clues… Elementary, my dear, Darwin!

AP Biology Evidence of Evolution by Natural Selection Dodo bird.

Evidence for Evolution by Natural Selection.

AP Biology Darwin’s Principles & Evidence of Evolution by Natural Selection Dodo bird.

Regents Biology Evidence for Evolution by Natural Selection.

Mechanisms of Evolution-Reflection  3-5 sentences per question (Write the question in your journal)  1. What did you struggle with most during this.

Evolution Theory of Evolution  Variation of genes in every population.  Some individuals of a population or species are better suited to survive and.

Evolutionary Evidence Evidence for Evolution 5 scientific disciplines: 1.Paleontology 2.Biogeography 3.Embryology 4.Comparative anatomy 5.Molecular biology.

Evolution has left much evidence Ch The Fossil Record We use the past to help gather information about our present FOSSILS  –Found in _________.

Fossils: Lines of descent Biogeography Anatomical Structures Embryology Chemical: DNA and proteins * why evolution is awesome.

Evidence of Evolution.  Preserved or mineralized remains or imprint of an organism  Found in sedimentary rock  Shows, what some to believe are, intermediates.

Evidence of Evolution Original presentation courtesy of Mrs. Jennifer Boyd, WHS.

Evidence for Evolution  Fossil Record  Comparative Anatomy  Comparative Embryology  Genetics-DNA  Industrial Melanism.

Evidence for Evolution by Natural Selection Hunting for evolution clues… Elementary, my dear, Darwin!

Regents Biology by Natural Selection Evolution…

Evidence supporting evolution Fossil record –transition species Anatomical record –homologous & vestigial structures –embryology & development Molecular.

S&T: 3 pg. 310 give examples of types of evidence that Darwin gathered to develop the theory of evolution; Structural similarities among organisms. Geographic.

Evidence supporting evolution

Evidence for Evolution by Natural Selection

Unit 6 Lesson 2 I. Evidence of Evolution.

Lecture #3 Evidence of Evolution

Descent with Modification

15.2 Evidence of Evolution Main idea: Multiple lines of evidence support the theory of evolution. Objectives: Describe how fossils provide evidence of.

Evidence of Evolution review

EVIDENCE OF EVOLUTION CHAPTER 15-2.

Evidence of Evolution Darwin Argued That Living Things Have Been Evolving On Earth For Millions of Years. Evidence For This Process Could Be Found In:

Evidence for Evolution

UNIT 4: Evolution What is the evidence that supports evolution?

Evidence for Evolution

3. Anatomical record Animals with different structures on the surface

Name causes of genetic drift and describe how they work?

Outline 15-3 B: Evidence of Evolution

Bio Do Now Get out natural selection lab

II. Evidence for Evolution: evolutionary biologists look at a variety

EVOLUTION? Modern Clues Martin.

Bellringer What is genetic drift? What are two mechanisms (ways it is caused) of genetic drift? Once done answering the bellringer question on your sheet,

NOTES – Evidence of Evolution

Evidence for Evolution

UNIT 4: Evolution What is the evidence that supports evolution?

Evidence of Evolution Several types of information support Darwin’s theory of evolution. anatomy homologous, analogous, and vestigial.

Evidence for Evolution

II. Evidence for Evolution:

Evidence of Evolution Chapter 15 Section 3.

Evidence for Evolution

Evidence of evolution Ch.12 and Ch.13.

The Origin of Species Mom, Dad… There’s something you need to know…

Presentation transcript:

Evidence for Evolution

Fossil Evidence Layers of sedimentary rock contain fossils new layers cover older ones, creating a record over time fossils within layers show that a succession of organisms have populated Earth throughout a long period of time

Fossil Evidence A record showing us that today’s organisms descended from ancestral species We call these transitional fossils Tiktaalik roseae- Discovered in 2004. Said to be the link between fish and 4-legged animals

Anatomical Evidence Homologous Structures Similar function Similar development Different Function Close evolutionary relationship- recent common ancestor

Anatomical Evidence Analogous Structures similar functions similar external form different internal structure & development different origin no evolutionary relationship

Anatomical Evolution Convergent Evolution Parallel Evolution evolved similar “solution” to similar “problems” Examples: Fish and dolphins Not closely related Parallel Evolution filling similar ecological roles in similar environments, so similar adaptations were selected Again, not closely related

Anatomical Evidence Vestigial Organs Modern animals may have structures that serve little or no function snakes & whales — remains of pelvis & leg bones of walking ancestors eyes on blind cave fish human tail bone and appendix

Anatomical Evidence Embryology Similar embryological development in closely related species All vertebrate embryos have similar structures at different stages of development

Molecular Evidence Comparing DNA & protein structure There is a universal genetic code (DNA and RNA) Comparing common genes Cytochrome C (respiration) Hemoglobin (gas exchange) Closely related species have sequences that are more similar than distantly related species