D) Amphibia was considered to be the first to develop lungs
 
        
             
        
        
        
Another word for cytosol  is cytoplasm.
        
             
        
        
        
Answer:  "sexual" ; in the sense that they reproduce "sexually" —and NOT asexually.
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Answer:
all of them apply to some vertebrates 
magnetoreception
proprioception
baroception
nociception