Sentence examples for lightless environment from inspiring English sources
You can easily walk through the tube and see tree roots dangling through the roof, patches of ferns, high lava marks on the sides, and the webs of blind, colorless spiders that have evolved in the lightless environment.
This enriched site is of course aligned to a volcanic ridge, near North Su, an active underwater volcano, an area where temperature, pH conditions, and the lightless environment also supports unique and profuse concentrations of heretofore unknown forms of marine life supported by the very same natural circumstances that manufactured the extreme mineral concentrations to be mined.
Alternatively, the loss of the same selective pressure in two lineages due to a common change in lifestyle and/or developmental process (e.g., loss of vision in lightless environments; Protas et al. 2011) may result in dispensability of the same genes and thus in their recurrent loss (environmental relaxed-selection).
How do you make babies, give them a decent start in life, and send them off to perpetuate the species from a lightless, toxic environment in the bowels of the ocean?
Surface fish rarely display this behavior as it attracts the attention of predators; however, in the context of a lightless cave environment, where starvation is a far bigger threat, this behavior is likely to be adaptive as it aids in catching insects that fall on the surface of the water [ 8].
Neutral processes or drift were later considered to be causing these reductions, whereby mutations that lead to the development of only rudimentary, non-functional eyes were no longer selected against in lightless cave environments.
Most obviously, the LCR is not a lightless, still water environment.
The stairwells were lightless.
(III.41-3) Lightless, Milton must delineate the celestial.
Travellers on the Pilots Line shrank back into lightless caverns).
