<h2>
Answer:</h2>
Option C) An enzyme in her mouth broke down the polysaccharides in the cracker into monosaccharides.
<h2>
Explanation:</h2>
- This happened because of saliva present in the mouth.
- Saliva is a watery substance which is present in our mouth and secreted by salivary glands. Saliva is composed of 98% water and it contains important substances like electrolytes, mucus, antibacterial compounds and various enzymes.
- The enzyme present in saliva is amylase which helps in breakdown of some starches(polysaccharide) into maltose(diasaccharide) and dextrin. Which means, digestion of food occurs within the mouth, before the food reaches the stomach.
Result: The result come positive due to the action of saliva on cracker.
The esophagus is a muscular<span> tube connecting the throat (</span>pharynx<span>) with the stomach. The esophagus is about 8 inches long, and is lined by moist pink tissue called </span>mucosa. The esophagus runs behind the windpipe (trachea<span>) and heart, and in front of the spine.
</span>
Answer:
Behavioural Adaptation: A Red Belly Black Snakes is able to find small positions to get away from predators, as they have adapted to hide in small cracks, holes and logs as this enables the snake to get away from predators.
They would be the same when used to power the blood cell vessels in order to power the blood cells. the difference is that they all power and work differently on different parts of the body.
Indentifiyng species is the answer