Scientists visiting a remote island find two species of birds that appear nearly identical except for bill size. the species with the larger bill eats large seeds, and the species with the smaller bill eats small seeds. according to genetic evidence, the two species are extremely closely related to each other. which of the following is the most likely explanation of the different bill sizes in these species?

The graph represents the gravitational attraction between two equal masses vs. their distance apart, which statement best describes the information presented by the graph? a) distance is only a factor in space, not on earth. b) gravitational attraction is directly proportional to distance. c) gravitational attraction is inversely proportional to distance. d) gravitational attraction is not related to the distance between objects.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Why has two different alleles for the same trait?