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Tanya [424]
2 years ago
14

Channel between the middle ear and the nasopharynx.

Biology
1 answer:
Otrada [13]2 years ago
3 0

Answer:The eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity. It controls the pressure within the middle ear, making it equal with the air pressure outside the body.

Explanation:please give brainliest

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What is science? State five aspects of science? ​
Arlecino [84]

Answer:

Explanation:

Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.

Five key descriptors for the scientific method are: empirical, replicable, provisional, objective and systematic.

3 0
2 years ago
Which of the following statements represent evidence supporting the endosymbiotic theory? Check all that apply.
Tems11 [23]

Answer:

The statement that says " The mitochondrion contains a circular chromosome that has bacterial DNA sequences" is true among the all statement given above.  

Explanation:

The Endosymbiotic theory that is other wise known as the symbiogensis illustrates the occurrence of the eukaryotic cell from the prokaryotic cells. Mitochondria and plastids are the most studied example in support of this theory. This theory explains that the aforementioned organelles are formed as they are taken inside in one another by the prokaryotic cell. Some of the evidences in support of this theory are mentioned below:

  • Phylogenetic similarity between the mitochondria and chloroplast to the proteobacteria and cynobacteria respectively.  
  • Ability of these organelles to divide only through binary fission as the bacterial population.
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5 0
3 years ago
Do autotrophs need to perform cellular respiration?
nydimaria [60]
Many autotrophs make food through the process of photosynthesis, in which light energy from the sun is changed to chemical energy that is stored in glucose. All organisms use cellular respiration to break down glucose, release its energy, and make ATP. Autotrophs are also called producers. They produce food not only for themselves but for all other living things as well (which are known as consumers). This is why autotrophs form the basis of food chains.
Yes, autotrophs need to perform cellular respiration.

4 0
3 years ago
Identify and explain the type of mixture and the different method of seperation
balandron [24]

Answer:

Methods Of Separating Mixtures

Handpicking.

Threshing.

Winnowing.

Sieving.

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Distillation.

Filtration or Sedimentation.

Separating Funnel.

Mixtures can be separated using a variety of techniques. Chromatography involves solvent separation on a solid medium. ... Evaporation removes a liquid from a solution to leave a solid material. Filtration separates solids of different sizes.

6 0
2 years ago
How would you expect the return of the wolves to yellowstone to affect the other species there?
cestrela7 [59]
Due to the wolves being the natural predator of some species, like elk, the population would likely be impacted after the reintroduction of the wolves. These wolves would hunt their prey, causing a drop in population.
6 0
2 years ago
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