As a consequence, the deep-ocean floor is still frequently called a desert, where high pressures, cold, darkness, and lack of food purportedly prevent most species from surviving.
(the deep-ocean floor; is called; a desert, where high pressures, cold, darkness, and lack of food purportedly prevent most species from surviving; T:still; T:frequently) (high pressures, cold, darkness, and lack of food; purportedly prevent; most species; from surviving) (most species; from surviving; )
the deep-ocean floor high pressures, cold, darkness, and lack of food most species
is called purportedly prevent from surviving
a desert, where high pressures, cold, darkness, and lack of food purportedly prevent most species from surviving T:still T:frequently
most species from surviving