FRIDAY MARCH 28TH WARMUP

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FRIDAY MARCH 28TH WARM-UP

• What is the difference between Lamarkian
  Evolution and Natural Selection?
  
• Which one is accepted today and which is not?
  Why?

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EVOLUTION
ORIGIN OF SPECIES
NATURAL SELECTION
VS.
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QUESTIONS POSED YESTERDAY

• HOW DO WE KNOW THAT GIRAFFES WERE JUST MADE TALL
  BECAUSE THEY WERE SUPPOSED TO BE THAT WAY?
  
• Creationism vs. Evolution argument
• REMEMBER THE CONTINUUM

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QUESTIONS POSED YESTERDAY

• SO ARE LONG NECKED GIRAFFES EVOLVING FROM SHORT
  NECKED GIRAFFES?
  
• YES NO
• FOSSILS NO FOSSILS
• OKAPI NOT RELATED
• EVOLVED FROM SOMETHING CREATED

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NATURAL SELECTIONIS A PROCESS!!! A MEANS OF
WHICH SPECIES WILL DIVERGE CREATING NEW SPECIES
BASED UPON THE ENVIRONMENTmechanism by which
evolution may take place in a population of a
specific organism WHETHER YOU BELIEVE IN
CREATIONISM OR EVOLUTION NATURAL SELECTION IS A
SIMPLE PROCESS CAN UNDERSTAND WITHOUT
DISCUSSING ORIGIN OF ALL LIFE
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May not be able to explain WHY, but at least HOW
(PROCESS)
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OKAPIrelative of zebra and giraffe
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BUT HOW DO WE CREATE A NEW SPECIES?

• CANIS FAMILIARIS

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SPECIES

• POPULATON OF SILIMAR ORGANISMS THAT BREED WITH
  ONE ANOTHER AND PRODUCE FERTILE OFFSPRING IN
  THEIR NATURAL ENVIRONMENT

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WHEN DO WE GET A NEW SPECIES?

• Not able to interbreed cant create fertile
  offspring!

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NOTE TO READER

• HORSE AND DONKEY TWO DIFFERENT SPECIES CAN
  REPRODUCE AND CREATE MULES? MULES ARE NOT FERTILE
  REPRODUCTIVE ISOLATION

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FLAWS IN DEFINITION?
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DARWINS FINCHES
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MOVIE CLIP

• Exploring the Galapagos Islands with Jeff Corwin.
  Watched 30 min.