Have a good day people finish the school year strong

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million