Morphological traits refer to the physical characteristics or features of an organism that can be observed and measured, such as size, shape, color, and structure. Studying morphological traits in organisms can provide insights into their evolutionary history, adaptation to different environments, and relationships with other species. Researchers often use various methods, such as microscopy, imaging techniques, and statistical analysis, to study and compare morphological traits across different species or populations. This research area is important for understanding biodiversity, ecology, and evolution.