the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.

the scientific study of plants, including their physiology, structure, ecology, distribution, classification, and economic importance.

वनस्पति विज्ञान

English Usage: She decided to study botany to understand how plants adapt to their environment.

Hindi Usage: उसने यह समझने के लिए वनस्पति विज्ञान का अध्ययन करने का निर्णय लिया कि पौधे अपने पर्यावरण के अनुकूल कैसे होते हैं।