A Sophisticated Mechanism That Has Evolved in Mammals for Eliminating

question 40

Multiple Choice

A sophisticated mechanism that has evolved in mammals for eliminating nitrogenous wastes involves

• A) secretion through cell membranes.
• B) forming urea from combining ammonia with carbon dioxide
• C) producing uric acid and storing it in the body until it can be released.
• D) producing uric acid as an embryo and urea after birth.

---

Definitions:

Testosterone

A steroid hormone that plays a key role in the development and maintenance of male physical characteristics, as well as influencing mood, energy levels, and sexual function.

Aggressive

displaying behavior intended to harm or intimidate others, often characterized by hostility or assertiveness.

Transsexual

A term used to describe individuals whose gender identity differs from the sex they were assigned at birth, and who may undergo medical procedures to align their physical appearance with their gender identity.

Gender

Socially constructed roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.