26.) The environn A) The two parent species would interbreed with the tetraploid

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26.) The environn A) The two parent species would interbreed with the tetraploids and all three would fuse into one species. B) The two parent species would suddenly recognize each other and the tetraploids as mates. C) The tetraploids do not produce viable offspring from mating with either parent species. D) The tetraploids would be selected against. 27.) Lyst 3.) Canadian lynxes (Lynx canadensis) and bobcats (Lynx rufus) can interbreed to produce viable, fertile offspring. The hybrids closely resemble bobcats but have larger bodies and smaller feet and show a few lynx-like characters such as long ear tufts and completely black-tipped tails. Bobcats and Canadian lynxes share a common ancestor going back about 20,000 years ago and appear to show much genetic similarity. Judging from this evidence, which two species concepts are most likely to place bobcats and Canadian lynxes together into a single species? A) ecological and morphological B) ecological and phylogenetic C) biological and morphological D) biological and phylogenetic 14.) Theoretically, the production of sterile mules by interbreeding between female horses and male donkeys should A) weaken the intrinsic reproductive barriers between horses and donkeys. B) result in the formation of a single species from horses and donkeys. C) strengthen postzygotic barriers between horses and donkeys. D) result in mules becoming a new species. 15,) In some states, populations of mule deer (Odocoileus hemionus) same forest habitat and can be found mixing together in certain areas. Both animals are the hosts for ticks of the species and white-tail deer (O. virginianus) can occupy the macentor variabilis). If populations of these ticks show host preference such that those feeding upon white-tail deer will not transfer to feeding on mule deer and vice versa, and they also mate at different times of the year, then which of the following terms might be applied to these two populations of ticks? A) sympatric speciation B) habitat isolation C) temporal isolation D) all of these terms might be applied to describe these two tick populations. 16 Adherents of the punctuated equilibrium theory hold which of the following positions? cies forms most of its unique features as it comes into existence and then changes little for the duration of its existence species hould expect to discover many transitional fossils left by organisms in the process of forming new n sufficient time, most species will slowly evolve into new species. a snecies forming mechanism.

Explanation / Answer

14-:Answer (C) Strengthen postzygotic barriers between horse and donkey,

Those organism can not interbreed are considered to be different species,Relatively straight forward,although there are always exception to the rule,(Male donkey and female horse produces a mule,Which is sterile)

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