Discuss Why DNA Is the Biological Basis of Life, and Explain

question 37

Essay

Discuss why DNA is the biological basis of life, and explain some of the scientific evidence showing how all species are ultimately related to one another.

---

Definitions:

Generalized Conditioned Reinforcer

A type of reinforcer that has become reinforcing through its association with one or more other reinforcers, often used in operant conditioning.

Primary Reinforcers

Innate reinforcing qualities such as food, water, and relief from pain, which fulfill basic biological needs and do not require learning to be effective.

Unlearned Reinforcer

An unlearned reinforcer, also known as a primary reinforcer, is a stimulus that naturally and intrinsically provides reinforcement or a favorable outcome without the need for learning.

Primary Reinforcer

A primary reinforcer is a stimulus that satisfies basic survival needs without prior learning; examples include food, water, and shelter.