1. Michael Bell and collegues (2004) reported that the

Last updated: 7/9/2022

1. Michael Bell and collegues (2004) reported that the three-spined sticklebacks that colonized the freshwater Loberg Lake from an adjacent marine environment A. evolved reduced lateral plates but retained pelvic structures B. evolved more pronounced lateral plates and pelvic structures. C. evolved reduced lateral plates and loss of the pelvic structure of marine sticklebacks, so that the freshwater morphology accounted for >75% of the population in 6 years. D. could not survive in the freshwater environment and went extinct within 6 years.