Describe the Evolution of the Mammalian Middle Ear and Hypothesize

question 27

Essay

Describe the evolution of the mammalian middle ear and hypothesize on the selective pressures that may have driven its change.

---

Definitions:

X Chromosome

One of the two sex chromosomes, with females having two X chromosomes and males having one X and one Y chromosome, playing a crucial role in determining genetic attributes.

Sex Chromosome

Chromosomes, specifically the X and Y chromosomes in humans, that determine the biological sex of an individual.

Chromosomes

Structures within cells that contain DNA and carry genetic information, humans typically have 46 chromosomes in 23 pairs.

Sperm

Male reproductive cells or gametes involved in sexual reproduction, responsible for fertilizing the female ovum.