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Give examples on the reproductive isolating mechanisms (geographical isolation, behavioral isolation, mechanical isolation, gametic isolation, temporal or seasonal isolation)

Give examples on the reproductive isolating mechanisms (geographical isolation, behavioral isolation, mechanical isolation, gametic isolation, temporal or seasonal isolation)

Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter56: Animal Behavior
Section: Chapter Questions
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Give examples on the reproductive isolating mechanisms (geographical isolation, behavioral isolation, mechanical isolation, gametic isolation, temporal or seasonal isolation) Note: example in the activity is in the photo attached
MECHANISMS 1. 2. 3. 4. 5. mechanisms. EXAMPLES
Transcribed Image Text:MECHANISMS 1. 2. 3. 4. 5. mechanisms. EXAMPLES
18:09 146 25 275 ا ا = 90 EXAMPLE Hermine. ACTIVITY 1. Research 5 similar species with different characteristics. - Frogs.ducks, crocodiles, salamanders, and toads. All are amphibians (can live on water and land) but have different physical and behavioral characteristics. 2. Give examples on the reproductive isolating mechanisms. MECHANISMS EXAMPLES 1. Geographic Isolation hoopoe birds migrating into other places, some spend their winter in Southern Spain or Africa, some spend their winter in Britain • crocodiles moving due to division of one large lake into various smaller lakes • subspecies of kabab squirrels that were separated on the north edge if the Amazing Canyon 2.Behavioral Isolation • male manakin birds that has different special dances in order to attract a female mate (who chooses on which type of dancing they prefer) male frogs who have vocal sacs that can be used to amplify their special calls to attract a female mate (who chooses on which tone of singing they prefer) 3.Mechanical Isolation galagos who can't mate because of their different variations of genitalia a snail with tall, cone-shaped shell not being able to reproduce with a snail with one with a short, disc-like one 4.Gametic Isolation • different marine species that discharge eggs and sperm into the water which mixes independently, but doesn't form a zygote • red and purple sea urchins that share a geographic range but cannot interbreed as their gametes are genetically incompatible 5.Temporal or Seasonal Isolation • dendrobium orchids, where some opened at dawn and withered by nightfall magicicada tredecim who emerges only every 13 years, and magicicada septendecim that emerges every 17 years, they can only have an opportunity to produce hybrids every 22 years Fowler toads (during late summer) and American toads (during early summer) who have different mating seasons
Transcribed Image Text:18:09 146 25 275 ا ا = 90 EXAMPLE Hermine. ACTIVITY 1. Research 5 similar species with different characteristics. - Frogs.ducks, crocodiles, salamanders, and toads. All are amphibians (can live on water and land) but have different physical and behavioral characteristics. 2. Give examples on the reproductive isolating mechanisms. MECHANISMS EXAMPLES 1. Geographic Isolation hoopoe birds migrating into other places, some spend their winter in Southern Spain or Africa, some spend their winter in Britain • crocodiles moving due to division of one large lake into various smaller lakes • subspecies of kabab squirrels that were separated on the north edge if the Amazing Canyon 2.Behavioral Isolation • male manakin birds that has different special dances in order to attract a female mate (who chooses on which type of dancing they prefer) male frogs who have vocal sacs that can be used to amplify their special calls to attract a female mate (who chooses on which tone of singing they prefer) 3.Mechanical Isolation galagos who can't mate because of their different variations of genitalia a snail with tall, cone-shaped shell not being able to reproduce with a snail with one with a short, disc-like one 4.Gametic Isolation • different marine species that discharge eggs and sperm into the water which mixes independently, but doesn't form a zygote • red and purple sea urchins that share a geographic range but cannot interbreed as their gametes are genetically incompatible 5.Temporal or Seasonal Isolation • dendrobium orchids, where some opened at dawn and withered by nightfall magicicada tredecim who emerges only every 13 years, and magicicada septendecim that emerges every 17 years, they can only have an opportunity to produce hybrids every 22 years Fowler toads (during late summer) and American toads (during early summer) who have different mating seasons
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