What did Walter Sutton observe about the relative numbers of chromosomes in the body cells and sex cells of grasshoppers?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?