Cell differentiation intensifies and organs appear in the _____ period of prenatal development.

The fetus that Calista is carrying has reached the age of viability, meaning that it has a chance of surviving outside of the womb. Therefore, it can be inferred that Calista is _____ weeks pregnant.

Sidra has a baby that was born at 27 weeks. Her baby is considered a(n):

The _____ view states that development is the result of an ongoing, bidirectional interchange between heredity and the environment.

_____ is the way an individual’s genotype is expressed in observable and measurable characteristics.

Psychology’s newest approach, _____, emphasizes the importance of adaptation, reproduction, and “survival of the fittest” in shaping behavior.

Malorie was born during her mother’s 32nd week of pregnancy. Malorie would be termed a(n) _____ baby.

Parents often interact differently with each sibling, and siblings interact differently with parents. Even these experiences occurring within the family can be part of the _____ of siblings.

The life-support systems for the embryo include the:

Mary’s mother has blonde hair and her father has brown hair. Mary has a gene for brown hair and a gene for blonde hair. She has brown hair. This indicates that the gene for brown hair is a(n) _____.