Exam 9: A: Development Across the Life Span

develop when two eggs each get fertilized by two different sperm,resulting in two zygotes in the uterus at the same time.

At birth,newborns seem most responsive to________.

The period of life from about age 13 to the early twenties,during which a young person is no longer physically a child but is not yet an independent,self-supporting adult,is called ________.

According to Erikson,an emotional and psychological closeness that is based on the ability to trust,share,and care,while still maintaining one's sense of self,is called________

According to Thomas and Chess,a child that is very irregular in sleeping and eating,resists change,and tends to be loud is labeled a(n)_____________ child.

Jeremy is 17 years old.According to Erikson,his chief task will be acquiring a sense of ______.

Piaget's term for the knowledge that an object exists even when it is out of sight is ______.

Which of the following describes the embryonic period?

In a __________design,one group of participants is followed and assessed as the group ages.

A(n)______________________ is a section of DNA containing a sequence of amines.