Describe the path that sound travels to reach the inner ear.
What will be an ideal response?
Sound waves travel into the ear canal where they set the eardrum vibrating. The eardrum vibrates three tiny bones that act to amplify the sound as it travels further into the ear. The third little bone vibrates fluid inside the cochlea of the inner ear which houses the hearing receptor cells.
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Overgrazing and desertification in Africa result in dust storms that affect the Caribbean by ________
a. causing skin diseases b. all of the choices c. infecting sea fans and corals d. causing asthma attacks
__________ are single-celled and mostly or entirely heterotrophic. Fill in the blank(s) with the appropriate word(s)
Microevolution is change in the __________ of a population.
Fill in the blank(s) with the appropriate word(s).
In the human genetic disease sickle cell anemia, a single change in the genetic sequence of the hemoglobin-beta gene results in the amino acid valine being substituted for the amino acid glutamic acid in the beta chain of the hemoglobin protein. Which
level(s) of the protein structure will be affected? A) primary structure B) secondary structure C) tertiary structure D) quaternary structure E) primary, secondary, tertiary, and quaternary structures