Answer:
prokaryotic and anaerobic
Explanation:
True because when you have a gene it replicates.
Answer: (E) When experimenters exposed manatees to the recorded sounds of boats moving at various speeds, the creatures were unable to discern the sounds over normal-background noise.
Explanation:
E is true and cast most doubt because it facilitates an experimental approach towards a given assumption. The mantees were exposed to the recorded sounds of the boats they were actually incapable of perceiving the change in sound and this clearly weakens the given argument that mantees are unable to hear the low pitched sounds when the boat get slow .
The best source for his research about the mechanism of the drug would be : A peer-reviewed research article in a scientific journal ( A )
A peer-reviewed research article would be a best source for his research because peer-reviewed articles are written and reviewed by colleagues in the same scientific field of study.
An article written by an author about how a drug will alleviate pain in dogs and cats and reviewed by his peers will contain detailed information on the mechanism of such drug, therefore this article will be very informative and helpful to the student.
Hence we can conclude that , The best source for his research about the mechanism of the drug would be A peer-reviewed research article in a scientific journal.
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Answer
The correct answer would be auricle and auditory canal.
The auricle or pinna is the externally visible part of the ear. it is mainly composed of cartilages and integuments. It is connected to the surrounding parts with the help of muscle and ligaments.
It helps in focusing the most of the sound vibrations towards inside the ear.
It opens into the auditory canal which serves as the pathway for sound waves to the inner ear (tympanic membrane).