Chemistry, 06.03.2020 15:32 ssuereichard
On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection. It is believed that all of these species had one common ancestor and, over time, evolved into different species. After the burst of speciation in the Galapagos, a total of 14 species would exist: three species of ground-dwelling seed-eaters; three others living on cactuses and eating seeds; one living in trees and eating seeds; and 7 species of tree-dwelling insect-eaters. The finches varied mainly in the size and shape of their beaks. What statement BEST describes the speciation of the different finch species? A) The species eat different foods. B) The species all live on different islands. C) The different species no longer interbreed. Eliminate D) The species no longer share any similar traits.
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Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 17:30
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
Answers: 1
Chemistry, 23.06.2019 01:00
Which description best characterization the motion of particles in a solid
Answers: 1
On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that var...
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