Both Internal and External Factors May Influence the Process of Aging.Variable-Rate

question 52

Multiple Choice

Both internal and external factors may influence the process of aging.Variable-rate theories include all of the following factors EXCEPT

• A) damage due to chance.
• B) environmental assaults.
• C) metabolism.
• D) free radicals.

---

Definitions:

Chromosomes

Proteinous, string-like entities situated in the cell nucleus of animals and plants, containing a single DNA molecule.

Phylogenetic Species

Refers to a group of organisms that are classified together based on a common ancestor, emphasizing genetic lineage.

Biological Species Concept

A definition of species that refers to groups of interbreeding natural populations that are reproductively isolated from other such groups.

Reinforcement

In psychology, a stimulus that strengthens or increases the probability of a specific response.