This is true. During the Mesozoic era, many new species of reptiles were made. The Mesozoic era is also sometimes called the Age of the Dinosaurs.
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Answer: The Auerbach plexus or myenteric plexus.
Explanation: The muscularis externa is a composed layer of muscles, located throughout the gastrointestinal tract. It has an inner circular muscular layer and a longitudinal external muscular layer. Between the two layers there is a part of the nervous system called Myenteric plexus.
A plexus is like a web of axons (nervous tissue) that provides a specific function. In this case, the myenteric plexus has a main function: motility. All the digestive tract (esophagus, stomach and intestine) possess this structure, to give motility or “peristalsis”, so the food could travel all the way from the esophagus through the colon.
Answer:
An organ that helps with digestion but is not part of the digestive tract. The accessory digestive organs are the tongue, salivary glands, pancreas, liver, and gallbladder.
Explanation:
Q12 LED wont glow att all
I believe it is D. the genetic variations are in the phenotype of the organism. The reason why I say this is because the phenotype is the physically noticeable characteristics in an organism, this allows them to mutate differently and only the ones who are fit enough and have the best phenotypes will survive.
