Between the atmosphere and hydrosphere
<em><u>Andesite:</u></em>
<em>Is an extrusive igneous, volcanic rock, of intermediate composition, with anphanitic to porphyritic texture. In a general sence, it is the intermediate type between basalt and decite and ranges from 57 to 63% silicon dioxide as illustrated inTAS diagrams.</em>
Vertebrates have a back bone. They have living endoskeleton, pharnyx and efficient respiration, advanced nervous system, and paried limbs.
