aphotic

Tanımlar (İngilizce)

1. sıfat Having no light, especially no sunlight.
2. sıfat Describing that part of deep lakes and oceans where less than one per cent of sunlight penetrates and where photosynthesis is not possible.

   “We have bacteria classified as aërobic and anaërobic, according as they thrive with or without access of air. We need to classify bacteria as photic and aphotic.”