Which Variable Is Not a Density-Dependent Factor

question 8

Multiple Choice

Which variable is not a density-dependent factor?

• A) Competition between two male deer for territory.
• B) A red tailed hawk preying upon a population of field mice.
• C) Small pox outbreaks during the 1800's.
• D) An early cold spell that causes the plants in a given area to die off earlier than normal.

---

Definitions:

Reticular Formation

A network of neurons located in the brainstem that plays a key role in controlling arousal and consciousness.

Somatosensory Cortex

The section of cortex in which sensory stimulation is projected. It lies just behind the central fissure in the parietal lobe.

Genetic Overlap

The sharing of genetic factors among different traits or disorders, suggesting a common genetic basis.

Association Areas

Regions of the brain that integrate input from different sensory modalities, contributing to complex functions like thought, learning, and memory.