The Greatest Barrier to Both Plants and Animals for Continuous

question 4

Multiple Choice

The greatest barrier to both plants and animals for continuous inhabitation of land was ____.

• A) higher water temperatures
• B) their inability to regulate body temperature
• C) their methods of respiration
• D) their methods of reproduction
• E) lower land temperatures

---

Definitions:

Pareto Optimal

A situation where resources are distributed in such a way that improving the condition of one person necessitates disadvantaging at least another individual.

Perfect Competition

A theoretical market structure that includes a large number of small firms, freedom of entry and exit, homogeneity of products, and perfect information.

Goods Distribution

The process of making a product or service available for the consumer or business user who needs it, which can involve transportation, packaging, and delivery.

Efficient Allocations

An economic condition where resources are distributed in the most effective manner, allowing for the optimization of outputs from given inputs without waste.