All of the Following Have Been Associated with Disease,but ________

question 69

Multiple Choice

All of the following have been associated with disease,but ________ is a vector that introduces the actual pathogen rather than being a pathogen itself and does NOT cause any illness directly.

• A) a bacterium
• B) the flea
• C) a protist
• D) a virus

---

Definitions:

Reaction Range

The concept in genetics that an individual's phenotype (expressed traits) for a trait can vary within a range, depending on environmental conditions.

Identical Twins

Twins who develop from a single fertilized egg that splits, resulting in two genetically identical individuals.

Orphanage

A residential institution dedicated to the care of orphans - children whose parents are deceased or otherwise unable to care for them.

Multiple Intelligences

A theory suggesting that individuals have diverse types of intelligence, rather than a single, general ability.