The Encircled Structure

question 5

Multiple Choice

The encircled structure

• A) is a mechanoreceptor
• B) manufactures sebum
• C) manufactures a mucous secretion
• D) manufactures sweat
• E) is the duct of a sweat gland

---

Definitions:

Insect-eating Birds

Birds that primarily consume insects as their food source, playing a crucial role in controlling insect populations and maintaining ecosystem balance.

Competition

The interaction between organisms or species in which the fitness of one is lowered by the presence of another.

Keystone Species

A species that plays a critical role in maintaining the structure of an ecological community and whose impact is disproportionately large relative to its abundance.

Species Richness

The number of different species present in a specific area, region, or ecosystem, reflecting its biodiversity.