The answer to this is rolling friction
Conservation is the protection of an organism or a group of organisms (like an endangered species or forests).
Biodiversity is the numerous amounts of species habitated in our earth. The more biodiversity, the better.
Conservation protects biodiveristy, thus, allowing more species to survive and thrive.
Answer:
I shall oppose to this notion
personally I think that since there no oxygen on mars the extraterrestrial creatures or alien plants may have alternative means of survival even if there ain't water