How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension ability: short and long distance?
A The variety of tortoises with the ability to extend their necks a long distance would go extinct.
B The proportion of tortoises with the ability to extend their necks a long distance would increase.
C The variety of tortoises that could only extend their necks a short distance would go extinct.
D The proportion of tortoises that could only extend their necks a short distance would increase.