Knowing that a gill plate is composed of 140 gill filaments and that every filament has a surface of 1 cm?, calculate the surface of exchange in a fish. What conclusion can be drawn?​

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection