Analogous Features Such as Spines and Fleshy Stems of American

question 36

Multiple Choice

Analogous features such as spines and fleshy stems of American cacti and African euphorbias are examples of ________, adaptation to similar environmental conditions.

• A) common ancestry
• B) convergent evolution
• C) reproductive isolation by polyploidy
• D) sympatric speciation
• E) post-zygotic barrier leading to reproductive isolation

---

Definitions:

Fair Return Price

A pricing concept where the price of a good or service is set to allow the provider to cover costs and earn a reasonable profit, often associated with regulated industries.

Socially Optimal Price

The pricing point where the societal benefits of consuming a good or service equal the societal costs of providing it, leading to an efficient allocation of resources.

Deadweight Loss

A loss of economic efficiency that occurs when the equilibrium for a good or a service is not achieved or is unattainable.

Graphically Depict

To represent data or information visually using charts, graphs, or other pictorial forms.