Answer:
Option E, Smooth muscle contractions that move food along the esophagus.
Explanation:
Peristalsis is an involuntary movement of muscles (smooth and longitudinal) in the digestive tract to move the food from Oseophagus to other hollow tubes and stomach.
These Peristaltic waves are strong wave like smooth muscle movement in the esophagus, stomach, and intestines as the bolus of food is swallowed to process food in different digestive tract.
Hence, option E is correct
Cell Size, Presence of other cells, and Chemical Stimulators
The study of chemical reactions of living this is called biochemistry.
Answer: The science of naming and classifying organisms based on structural comparisons and genetic evidence, is known as taxonomy, a branch of biology.
Explanation: Taxonomy is very important. By categorizing organisms, this branch of biology helps scientists to exchange vital biological information, and therefore understand the diversity of species in our planet.
The answer is omnivore, because it eats plants and animals
