SPECIATION - PowerPoint PPT Presentation

moriah
speciation n.
Skip this Video
Loading SlideShow in 5 Seconds..
SPECIATION PowerPoint Presentation
play fullscreen
1 / 6
Download Presentation
SPECIATION
200 Views
Download Presentation

SPECIATION

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. SPECIATION

  2. SPECIATION • SPECIATION: Formation of new species • SPECIES: Group of similar organisms that can breed & produce fertile offspring

  3. SPECIATION • REPRODUCTIVE ISOLATION: When members of 2 populations cannot interbreed to produce fertile offspring

  4. SPECIATION meadowlark songs

  5. SPECIATION • BEHAVIORAL ISOLATION: 2 populations capable of interbreeding but have difference in courtship rituals or other reproductive strategies that involve behavior EXAMPLE: meadowlarks very similar but use different songs

  6. SPECIATION • GEOGRAPHIC ISOLATION: separated by geographic (physical) barriers like rivers, mountains, large bodies of water • TEMPORAL ISOLATION: 2 or more species reproduce at different times