______ is the study of ancient plants, like mosses, that grow in moist, humid environments.

Bryology

The correct answer is Option (2) - Bryology

Bryology is the scientific study of bryophytes, which include mosses, liverworts, and hornworts. It involves the investigation of their taxonomy, morphology, ecology, distribution, and evolution. Bryologists study these ancient plants to understand their role in ecosystems, their adaptations to various environments, and their significance in biodiversity conservation.