B: Hunting in packs
The other answers are physical traits.
Frequency of the light wave
It would be the muscles because their contracting and forcing the blood back to the heart
Lesions to the medial geniculate of the amygdala block conventional auditory fear conditioning.
Medial geniculate
The medial geniculate body (MGB) is a collection of nuclei that receives heavy input from the IC and acts as a key synaptic junction on the routes that carry data to the cerebral cortex's auditory regions.
One should also think about how the medial geniculate's structure might affect its possible roles as a relay nucleus given the substantial studies on its anatomy. It is not in question that the MGv, which is the lemniscal portion of the MGB, "relays" accurate auditory information to the primary auditory cortex.
To learn more about the medial geniculate refer here:
brainly.com/question/13060944
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Chemical factor
Physical factor
Climate factor