While visiting the galapagos islands in 1835, charles darwin collected over thirteen different species of a type of bird called a finch. he later observed that the birds were similar in many ways but often differed in the size and shape of their beaks. which statement best summarizes darwin's explanantion for the different beaks he observed in these finch species?
a) the beaks changed so they could eat different foods.
b) the beaks of each finch species were the result of natural selection.
c) the size and shape of the beaks differed because of the effects of artificial selection.
d) the size and shape of the beaks differed because of different climates found on the islands.

The answer is B

Explanation:

The beaks of each of the finch species were the result of natural selection. Darwin believed that the shapes and sizes of the beaks were best suited for the environments in which the birds lived.

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: