Biology, 01.01.2020 04:31, pakabigail4796
Biologists have found more than 500 species of fruit flies on the various hawaiian islands, all apparently descended from a single ancestor species. when this ancestor colonized the island chain, it found few competitors: many insect and fly families present in other regions are absent from the isolated hawaiian islands.
this example illustrates
allopatric speciation
temporal isolation
adaptive radiation
sympatric speciation
Answers: 2
Biology, 22.06.2019 03:40, NANA2007
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.
Answers: 2
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