Answer:
This voice box occurs in all amphibians but is anatomically most complex in frogs. The larynx exits into the trachea; the latter bifurcates into the bronchi and then into the lungs. The glottis then opens, and elastic recoil of the lungs forces the pulmonary air out and over the new air in the buccopharyngeal pocket.
Explanation:
Cold air usually pushes warm air because cold air has a HIGHER DENSITY
Prokaryote and eukaryote both have cell membranes
to cut DNA,all restriction enzymes makes two incisions .once through each sugar phosphate backbone of the DNA