0 mysterious and difficult to understand: --
1 mysterious and difficult to understand: --
The owl's response is brief and cryptic: learn how to fly.
A second, deeper, level of meaning, however, has been suggested, more hidden and cryptic and marked by liminality.
Some of the cryptic lifestyles of some fish parasites may have evolved, in part, as a response to cleaning.
In cryptic crosswords this phenomenon is taken to an extreme.
The cryptic female choice hypothesis, in contrast, predicts frequent lack of complementary structures or behaviour in the female.
One explanation is that they simply represent gene flow that occurs between the cryptic species.
The coccids have a cryptic endophytic lifestyle and are confined to this microhabitat.
The use of photographic rates to estimate d ensities of tigers and o ther cryptic mammals.
