Humans Share Several Features with Salamanders

question 21

Multiple Choice

Humans share several features with salamanders.Certain genes and proteins are nearly identical between the two species; both species have four limbs with a similar skeletal structure; the species' early embryos are very similar; and where the salamander has a functional tail,humans have a vestigial tailbone.In evolutionary terms,these are examples of

• A)adaptation by natural selection.
• B)biogeographic similarity.
• C)coincidental similarity.
• D)homology.

---

Definitions:

Function

The specific role or purpose that something or someone serves within a larger system or organization.

High

A term that could refer to a level of hierarchy, degree of intensity, or a state of elevated performance or quality in various contexts.

Dissatisfied

A feeling of unhappiness or displeasure because expectations or needs have not been met.

Procedural Unfairness

A situation where the methods or processes adopted in decision-making or dispute resolution are unjust or biased.