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SPECIATION. SPECIATION. SPECIATION: Formation of new species SPECIES: Group of similar organisms that can breed & produce fertile offspring. SPECIATION. REPRODUCTIVE ISOLATION: When members of 2 populations cannot interbreed to produce fertile offspring. SPECIATION.
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SPECIATION • SPECIATION: Formation of new species • SPECIES: Group of similar organisms that can breed & produce fertile offspring
SPECIATION • REPRODUCTIVE ISOLATION: When members of 2 populations cannot interbreed to produce fertile offspring
SPECIATION meadowlark songs
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
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