Concept:Development refers to progressive, orderly changes across the lifespan, influenced by both genetic and environmental factors. It is not fixed or predetermined.
Explanation:Development is multidimensional (biological, cognitive, social-emotional), not unidirectional or unidimensional.
It is not entirely genetically programmed; environment and experiences modify it.
Developmental milestones follow a sequence, but the rate of achievement varies from person to person.
Therefore, development can be modified by life circumstances, making it a changeable process.
Answer:The correct statement is: Development is modifiable. Option B.