The swallowing mechanism consists of three stages, beginning with the oral phase that begins in the mouth. The second stage, called the pharyngeal phase, triggers the swallowing reflex that moves food through the throat, or pharynx. During the pharyngeal phase, the larynx closes and breathing stops while food begins to move through the throat to the esophagus. The closing of the larynx is accomplished by the epiglottis. During the third stage, food is moved down the esophagus to the stomach.
Food webs are more complex than food chain
Answer:
It is a controlled experiment. (D)
Explanation:
The reason why is because a scientist went to a dog park to conduct the experiment, there would be no cat owners there so obviously everyone would choose dogs because that is their pet. The scientist ran a controlled experiment.
The correct answer to the question above would be (a.) macroevolution. Even thought miniature poodles and Labrador retrievers are both part of the same species, Canis lupus, they are very different in appearance. The difference can be attributed to the macroevolution.
It makes proteins and lipids
it controls the calcium levels in your muscles
it detoxifies poisons, alcohol and even drugs
hope this helped
