Biology, 01.11.2019 04:31 fredericksppeedddf
You’ve likely heard of polar bears (ursus maritimus) and grizzly bears (ursus arctos horribilis). have you heard of a grolar bear or a pizzly bear? these might be unfamiliar because they are the offspring of matings between polar bears and grizzlies. a handful of these animals have been born in zoos; three have been documented in nature. due to their rarity, only a few grolars (grizzly dad and polar bear mom) or pizzlys (polar bear dad and grizzly mom) have been studied in detail. their fur color, head shape and ear shape (see figures below) are striking intermediates between the phenotypes of their parents. the origin of polar bears was the result of:
a. peripatric speciation.
b. sympatric speciation.
c. allopatric speciation.
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The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol
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Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
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Color blindness is a recessive trait. the gene for color blindness is on the x-chromosome. the family tree below shows the trait of color blindness. theonly unknown is the father in the first generation.
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How can the energy stored in the photosynthetic organism be used? : "(
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You’ve likely heard of polar bears (ursus maritimus) and grizzly bears (ursus arctos horribilis). ha...
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