A child's diet affect how tall the child grows and even how effectively the child can think and solve problems. In this example development is primarily influenced by :

Question

Accepted Answer

Option 2, Environment, is the correct answer because the question explicitly states that a child's *diet* affects their growth and cognitive abilities. Diet is a direct environmental factor. The food a child consumes is part of their external surroundings and directly impacts their physical and mental development. The example highlights how external factors (diet) influence development.

Here's why the other options are incorrect:

*   **Option 1: Heredity:** Heredity refers to the genetic traits passed down from parents to offspring. While genetics play a role in a child's potential height and cognitive abilities, the example specifically focuses on the impact of *diet*, which is an environmental factor, not a genetic one. Heredity sets a range of possibilities, but environment determines where within that range the child develops.

*   **Option 3: Early-later experience:** While early experiences are crucial, this option is too broad. The question specifically points to *diet* as the influencing factor. Early-later experience encompasses a wide range of influences, but the example is narrowly focused on the environmental impact of nutrition. While diet is certainly an early experience, the question is more directly about the *type* of influence (environmental) rather than the *timing* of the influence.

*   **Option 4: Continuity:** Continuity refers to the gradual, cumulative change in development. While development is generally continuous, the question is asking about the *primary influence* on that development in the given example. The example emphasizes the direct impact of diet, an environmental factor, on growth and cognitive function, not the nature of developmental change itself.