What does development encompass across the lifespan?

Development across the lifespan is a holistic and multifaceted process that includes a variety of changes in several domains. The correct answer emphasizes that development involves changes not only in biological traits but also encompasses cognitive and psychosocial changes.

Biological changes may include physical growth or health-related changes, cognitive changes pertain to the development of thinking, memory, and problem-solving abilities, while psychosocial changes involve emotional and social aspects of development, such as relationships and identity. These domains interact and influence one another throughout an individual's life, illustrating how complex and interwoven human development is.

The understanding that development is not limited to one area allows for a comprehensive approach to studying human growth and adaptation over time. This perspective is critical in fields like psychology, education, and healthcare, where recognizing the interconnectedness of different developmental aspects can enhance support and interventions across the lifespan.