Because some damselflies seem to anticipate the possibility of the water level of an evaporating pond lowering before the eggs hatch, a female may completely submerge, dragging the male down with her as she backs down a stem to lay eggs.
(some damselflies; seem; ) (she; backs down; a stem to lay eggs) (some damselflies; to anticipate; the possibility of the water level of an evaporating pond) (an evaporating pond; lowering; T:before the eggs hatch) (a female; may submerge; ) Context(a female may submerge,List([134, 166))):(a female; may submerge dragging; the male; down; T:as she backs down a stem to lay eggs)
a female may submerge,List([134, 166))
some damselflies she some damselflies an evaporating pond a female a female
seem backs down to anticipate lowering may submerge may submerge dragging
a stem to lay eggs
the possibility of the water level of an evaporating pond
T:before the eggs hatch
the male down T:as she backs down a stem to lay eggs