1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ki77a [65]
3 years ago
7

The boundary between the external and middle ear is the:

Biology
1 answer:
solniwko [45]3 years ago
8 0

Answer:

Tympanic membrane. (Ans. A)

Explanation:

Tympanic membrane: It is known as thin semitransparent eardrum, which is formed boundary between the external and middle ear. It's diameter is about 0.3-0.4 inch, and cone shaped membrane. Tympanic membrane is found in humans, and other tetrapods.

Its playing an important role in to transfer sounds which is present in the air to the ossicles inside the middle ear, then to the oval window of the fluid-filled cochlea.

You might be interested in
Anisogamy (different-size gametes) is a phenomenon found in many sexually reproducing species. Which of the following assumption
Oxana [17]

Answer:

D. all options are correct

Explanation:

  • There is a trade-off between the size of gametes and the number of gametes.
  • The larger the gamete, the less mobile it is
  • The probability that a zygote survives increases with its size, and the size of the zygote is a function of the sizes of the fusing gametes
4 0
3 years ago
Which statement is a reason for the peer rewiew process in scientific research
andreyandreev [35.5K]

The correct answer is the second choice - peer review process in scientific research exists in order to verify that the conclusions that are made are supported by the data. You cannot make a valid conclusion if you do not have enough evidence or data to prove it - this is why your peers have to go through your research to make sure everything is done according to the rules of scientific research.

Hope this helps.

5 0
3 years ago
Read 2 more answers
What was one of the ways that people of ancient times classified plants and animals?
Rudik [331]
The answer is: by use
7 0
3 years ago
Draw conclusions from this description of a location to accurately identify the correct biome: This area has warm temperatures,
Vadim26 [7]

Tropical rain forest

5 0
3 years ago
May someone help me please​
mixer [17]

Answer:

25. Hetero

24. Homofzygous Rec

26. Homofzygous Dominant

3 0
2 years ago
Read 2 more answers
Other questions:
  • The shedding of the endometrium occurs during _____ resulting from a decrease in ___________.
    15·2 answers
  • Lily visits her family doctor. He tells her that the upset stomach she experiences after drinking milk is caused by too little l
    11·1 answer
  • In order to control occasional pain and inflammation, a person uses an over-the-counter drug containing ibuprofen. interestingly
    14·1 answer
  • Any energy transformation involves the loss of some energy as A. motion. B. heat. C. light. D. electric charge..
    8·2 answers
  • In a population of gerbils ,long hair is completely dominant over short hair .if 18percent of the population has short hair , ca
    6·2 answers
  • A scientist crossed a blue-flowered plant with a red-flowered plant in order to observe the
    8·1 answer
  • How is a food chain different from a food web?
    15·1 answer
  • Which are false ;-;
    8·1 answer
  • What information from the client would support the diagnosis of guillain-barré syndrome?
    12·1 answer
  • What is the initiator triplet in both prokaryotes and eukaryotes? Which amino acid does this triplet recruit?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!