Hawaiian honeycreepers (birds), consisting of 50 species, some of which are now extinct, represent a much more diverse lineage than hawaiian thrushes. honeycreepers have a remarkable variation in bill morphology, whereas hawaiian thrushes exhibit far less morphological variation. bill morphology is strongly linked to the resources available for these birds to eat. this suggests that in honeycreepers may have occurred as a result of
a) sexual dimorphism: leksb) allopatric speciation; hybrid zonesc) sexual selection; monogamous pair bondsd) adaptive radiation; dietary specializatione) adaptive radiation; poor dispersal ability
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Biology, 21.06.2019 19:30
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. the only unknown is the mother in the first generation
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Biology, 21.06.2019 21:30
List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.
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Hawaiian honeycreepers (birds), consisting of 50 species, some of which are now extinct, represent a...
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