WhalE Evolution An example of Secondary Evolution

Slides:

Advertisements

Similar presentations

Warm-up What are the 2 parts that make up the Latin name of a species?

Advertisements

The Evolution of Whales Jake Graham-Felsen. Evidence of Evolution  The Fossil record  Anatomical and chemical similarities  Geographic distribution.

By William T. Kratz.  historical research of the whale  fossil records  related species geographic distribution  whale evolution video.

WHEEEEE ! Whale Evolution: Different Lines of Evidence

What are the characteristics of modern whales?

National Geographic, Nov MYSTICETES (baleen whales) above ODONTOCETES (toothed whales) below What are the characteristics of modern whales?

Whale Evolution Copy everything in black on pg 87.

Whale Evolution. ANCIENT LAND ANIMALS MAKE THEIR WAY BACK TO SEA The for-runner of whales originated on land. They reversed the course of evolution form.

Life Science: Natural World

Alana and Annasimone. Timeline 47 million years ago: - Alligator like feet - Fed in the water metres long - Forelimbs and hind limbs for walking.

Convergent Evolution & Vestigial Structures. Convergent Evolution  (Comes from the word “converge”)  (“come together” or “meet”)  Produces unrelated.

Evidence for Evolution By Katherine,Kathleen, Colleen, and Mikey.

Change Over Time 7 th Grade Science. Evolution – What Science Tells Us Process by which modern organisms have descended with modification from ancient.

Artificial Selection aka Selective Breeding  Darwin noted that plant and animal breeders would breed only the largest hogs, the fastest horses, or the.

The Theory of Whale Evolution

Evidence of Evolution.

THE EVOLUTION OF THE HORSE (Equus) Przewalski's horse (Equus ferus przewalski) © WWF-Canon / Hartmut JUNGIUS.

Convergent Evolution & Vestigial Structures. Convergent Evolution  (Comes from the word “converge”)  (“come together” or “meet”)  Produces unrelated.

Catie Willard and Lindsey Baumoel. Question??? How have whales physiologically evolved from land to water? Whale Video.

Order Cetacea Dolphins, Porpoises and Whales

Hominin Evolution Chapter 15 – Part 1. Classification of Humans.

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

{ Section 5.1 Change Over Time.  Adaptation: A characteristic that helps an organism survive and reproduce in its environment.  Species: A group of.

Going Out on a Limb: Evolution of the Whale. Creodont, 50 million years ago The creodont doesn’t look much like a whale, but 50 million years ago this.

10.5 Evolutionary Biology Today KEY CONCEPT New technology is furthering our understanding of evolution.

Evidence for Evolution

What were whales like 40 million years ago?

Act. 99: A Whale of a Tale Challenge How are modern and fossil skeletons used to investigate evolution? KeyVocabulary: Fossil Record Natural Selection.

Evidence of Evolution November 3 & 4. Do Now Take your seat Jot down the four main evidences of evolution – I’ll be coming around to give you a 5-point.

Archaeoceti: The Marine Atavism of Early Whales; The Anachronistic Return of Tetrapods to Oceans Trevor Fanning.

Marine Mammals Oceanography.  Marine mammals are some of the world’s most spectacular animals  They include the largest animals that have ever lived.

Is a hippopotamus more closely related to a pig or to a whale? Is a hippopotamus more closely related to a pig or to a whale?

Evidence for Evolution

Evidence for Evolution

National Geographic, Nov. 2001

Review of evolution Evolution: organisms change over time.

Evidence for Evolution

Quantification of Cenozoic Marine Primary Productivity through Geochemical Analysis of Marine Mammal Bioapatite Mark T. Clementz, Dept. of Geology & Geophysics,

Evolution: Change Over Time

The Unlikely Evolution of Swimming Pigs

EVIDENCE OF EVOLUTION.

Comparative Anatomy Notes

DO NOW Pick up notes and Review #8..

Becoming Whales Whale Evolution: Different Lines of Evidence

Warm-up What are the 2 parts that make up the Latin name of a species?

What evidence supports evolution?

Support for the theory of evolution

Evolution: Change Over Time

Evidence of Evolution.

The Whale and the Virus: How scientists study evolution

Connecting Modern Organisms to Ancient Organisms

Homologous Structures

Evidence for Evolution by Natural Selection

The Mammals that Conquered the Seas

EVIDENCE OF EVOLUTION Chapter 15-2.

Homologous Structures: Structures that are similar because

Evolution: Change Over Time

Evolution: Change Over Time

Evolution: Change Over Time

What the fossil record shows

Evolution: Change Over Time

Do Now’s First Marking period

Evolution: Change Over Time

Evidence of Evolution Chapter 15 Section 3.

Essential Question: How did whales change over time

Evidence for Evolving Species

Evidence of Evolution.

Presentation transcript:

WhalE Evolution An example of Secondary Evolution (started in the water, went on land, returned to the water)

Odontoceti (toothed whales) Evolved from a wolf-like ancestor about 50 million years ago Used to think they had evolved from a bear-like animal…

Pakicetus

Pakicetus Toes

Ambulocetus Ambulocetus means ‘walking whale’. It lived 49 million years ago in Pakistan. It had the legs of its terrestrial ancestors and the body of a primitive whale. (10 feet long).

Basilosaurus isis 40 million year old, 50 foot long whale from Egypt. It still had tiny hind legs. Legs

Dr. B. Holly Smith working at the base of the tail of a weathered Basilosaurus isis in Wadi Hitan, Egypt. This is the part of the skeleton where the reduced hind limbs, feet, and toes were found. Photograph ©1991 Philip Gingerich. (U. of Michigan)

Mysticeti (baleen whales) Evolved from a small deer-like ancestor (Indohyus) about 50 million years ago Used to think they had evolved from a cow or hippo-like animal…