The esophagus then releases the food into the stomach and a valve, or sphincter, acts as a gateway to keep the food from going back up into the esophagus. Stomach. In the stomach, our food is sterilized and further broken down.
The test that will most likely be prescribed is an Ultrasound Examination.
Mimicry:
. favors behavior of similar species that is harmful
. Structural adaption
Camouflage:
. Structural adaption
. Natural selection favors species' resemblance to environment
Radio waves have the longest wavelengths and the least energy.