1. As explained in the \"Great Transformations\" video, which one of the followi
ID: 89047 • Letter: 1
Question
1.
As explained in the "Great Transformations" video, which one of the following hypotheses, explaining tetrapod evolution, is most widely accepted today?
2.
The features that evolved in the human supralaryngeal airway which allowed for speech production include:
3. The position and shape of the Neandertal (_______) bone may indicate that they possessed the ability to speak.
A. limbs evolved after some species had already adapted to living on land B. the first tetrapods evolved from aquatic insects C. limbs evolved in the water, allowing some tetrapods to adapt to life on land D. the first tetrapods had wings, which allowed them to adapt to life outside of water E. none of these answers are correctExplanation / Answer
The answer is C. Recently it was discovered that the Acanthostega which is a connecting link between aquatic and terrestrial animals had limbs but was fully aquatic. Later on when they moved to land, further evolution took place to adapt to the land environment. The answer is A. The Larynx or voice box is involved in phonation. It is lowered which results in curved tongue and two tube vocal tracts, may be for speech. The answer is hyoid bone. It is a bone between the tongue and larynx. By comparing this bone with that of the human’s hyoid bone, it indicates that Neanderthal man had the ability to speak.
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