The phrase "ability to exist in" is correct and usable in written English.
You can use it when discussing the capacity or capability of something to be present or function within a particular environment or context.
Example: "The ability to exist in diverse ecosystems is crucial for the survival of many species."
Alternatives: "capacity to thrive in" or "capability to function in".
We recognise the gift that is their near-Buddhist ability to exist in the moment.
Vinny has the ability to exist in three distinct temporal dimensions, which kind of gives him an edge.
"The ability to exist in pieces is what some adults call resilience," she wrote in One! Hundred!
The key to unlocking MK's strange beauty is what Keats called "negative capability" – the ability to exist in contraries.
Our ability to exist in time may require our being mortal, although we can't understand that any more than the fish can understand water.
WikiLeaks is an unconventional publisher without precedent that draws considerable power from its ability to exist in multiple legal jurisdictions: its diffuse nature is what helps make it so hard to censor (and also hold to account).
This behavior reflects the well-known peculiarities of Eu and Yb in the lanthanide series which originate from their ability to exist also in the divalent state (e.g., variation of the ionic radius, Figure 7 b).
Variants of it occur again and again in his work, expressing the idea, as he put it in 2001, "that our public institutions – our companies and our government and our media – absolutely affect our ability to exist gracefully in the world".
From Ed White's first spacewalk in the June of 1965, to the first steps on the moon in 1969, to the expected completion of the International Space Station (ISS), the ability to exist, live and work in the vacuum of space has stood as a beacon of what is possible.
Apparently, when I filled out the proverbial sign-up sheet to join the realm of heavily tattooed women, I not only relinquished my undecorated skin; I also signed away my ability to exist unbothered by creepy men in public spaces.
You're giving these plants the ability to take your breath away, the ability to exist".
