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Alenkasestr [34]
3 years ago
7

A structure that helps prevent food from entering the pharynx prematurely is the

Biology
2 answers:
nadezda [96]3 years ago
8 0

Answer:

Uvula

Explanation:

The uvula is a fleshy structure found at the back of the soft palate in the mouth. It is the structure seen hanging at the back of the throat when someone opens his/her mouth and views in the mirror.

<em>The uvula is made up of flexible tissues with the ability to produce saliva. During eating or swallowing of food, the uvula along with the soft palate move to seal off the pharynx in order to prevent food materials from entering the nasal passage.</em>

Anika [276]3 years ago
5 0

Answer:

Uvula

Explanation:

The uvula is that soft fleshy tissue structure that looks like the shape of a teardrop that is found at the back of your throat. It is this structure that helps in preventing food from entering the pharynx or nasal passage.

The uvula, which is made of connective tissue, saliva-producing glands and few muscle tissues, is the main structure that is responsible for all throat functions, including stopping food from entering the nasal passage by blocking the nasal passage and directing the food down your esophagus as food is swallowed.

Aside this function, the uvula also helps in fighting infections by preventing pathogens that causes disease from passing through the throat.

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1. How would the predation of pythons on rabbits affect the population of other large predators such as bobcats and alligators?
Inessa [10]

Q1:

Answer:

Studies have reported that due to predation of pythons on rabbits, the population of other predators is badly affected.

Bobcats are a natural predator of rabbits thus they come in a competition with pythons for food. As pythons are more powerful so they target rabbits more easily than Bobcats. The population of Bobcats has been declined by 90% or more due to the establishment of pythons in the Everglades.

<em>Alligator mississippiensis </em>or American alligators are also abundant in Everglades and just like Bobcats they compete with pythons for their food. They can even kill pythons if pythons are smaller in size than them, but python will kill alligator if he is of smaller size. Although rabbits are food for both alligator and Python but Alligator is a key stone specie and it has very important ecological role, because it digs holes in land that retain water upon rainfall. These water hole provide water in the extreme dry weather and help in survival of other small specie like insects and birds.

So, we can expect the population of Alligator, Bob cats and other small insects and birds to decline rapidly if Python population kept on increasing with same speed.

-------------------------------------------------------------------------------------------------------------

Q2:

Answer:

There is no doubt that Pythons pose serious threat for both humans as well as survival of other organisms like Alligators and birds. However, I donot think that “Python challenge” is a reasonable way to kill or remove Pythons. Because It can threat the lives of many individuals who take part in competition, although they are trained but still they are nor professionals and get training of only few weeks so it is not safe competition.

There should be some strategy of introducing natural predators like Brown beers, Cougars and Alligators which can kill python naturally without staking the life of humans at risk.


Hope it helps!

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3 years ago
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Answer:

The 2 ways abiotic factors affect biotic factors are as follows:

  1. An alligator submerges itself under water to stay cool in the summer.
  2. A naked mole rat creates burrows underground.

Explanation:

Abiotic Factors:

All non-living factors that is present or influences an ecosystem. Abiotic factors determine the dynamics of an ecosystem such as the terrain, the atmosphere as well as the inhabitant flora and fauna. Water, sunlight, oxygen, temperature, and soil are all abiotic factors.

Biotic Factors:

All living factors in an ecosystem i.e. the plants and animals.

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