(29) AP Psychology: Unit II Review - Biological Bases (Check Comments for Updated Video)

Biological Basis of Behavior

The perspective in psychology that focuses on how biological processes influence behaviors.

Nature vs. Nurture

The debate about the relative influence of genetics (nature) and environment (nurture) on behavior.

Chromosomes

Structures in the nucleus of a cell that contain genetic information; humans have 46 chromosomes (23 from each parent).

DNA

Deoxyribonucleic acid; the molecule that contains the genetic code for an organism.

Evolutionary Perspective

A viewpoint in psychology that emphasizes how natural selection has shaped behaviors that enhance survival.

Natural Selection

The process through which traits that improve survival and reproduction become more common in a population.

Mutation

A change in DNA that can lead to changes in traits; essential for evolution as it provides genetic variations.

Endocrine System

The system in the body that regulates hormones, influencing various behaviors such as aggression and emotion.

Hypothalamus

A small brain region crucial for regulating the endocrine system and maintaining bodily homeostasis.

Neuron

A cell in the nervous system responsible for transmitting information throughout the body.