Populations evolve and individual organisms do not. Evolution occurs through natural selection and survival of the fittest as populations evolve traits that better suit their environment.
Answer;
-Distal end
Explanation;
-The part of the esophagus that is farthest from its beginning at the throat is the distal end.
-The esophagus is a muscular tube connecting the throat with the stomach. It is about 8 inches long, and is lined by moist pink tissue called mucosa.
-Both ends of the esophagus are closed off by muscular constrictions known as sphincters; at the anterior, or upper, end is the upper esophageal sphincter, and at the distal, or lower, end is the lower esophageal sphincter.
Answer:oh its B for sure!
Explanation:
During aerobraking, the spacecraft used friction from the Martian atmosphere to slow down and to trim its initial 35-hour, elliptical orbit around the red planet to a two-hour, near-circular orbit. The final orbit was more suitable for science operations and ideal for making highly detailed observations of the surface