Greg, Who Is 5 Years Old, Is the Tallest Person

Multiple Choice

Greg, who is 5 years old, is the tallest person in his kindergarten class. When his teacher asked him how he thought he got so tall, he said proudly, "My mom and dad are tall and I eat good food!" Greg's statement reflects that he understands that human development comes from _____.

A) heredity
B) the environment
C) learning
D) environment and heredity combined