Charles Darwin observed mockingbirds on the Galápagos Islands and South America. He noticed some differences in the two mockingbird groups. What conclusion did Darwin make based on his
observations?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger