Choose the One Most Appropriate Letter for Each

question 57

Multiple Choice

Choose the one most appropriate letter for each.
-lancelets

• A)cartilaginous skeleton; jaws
• B)reptile with four-chambered heart
• C)separate openings for the urinary, reproductive, and excretory systems
• D)legless amphibian
• E)invertebrate chordate; no metamorphosis
• F)endotherm with feathers
• G)limbless reptile
• H)most primitive fishes with jaws; extinct
• I)modern-day parasitic jawless vertebrate
• J)North America's only native marsupial
• K)adults are barrel-shaped and secretes a covering of polysaccharides
• L)egg-laying mammal
• M)swim bladder for buoyancy
• N)larvae typically have gills and develop lungs as they mature

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Definitions:

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than another.

Competitive World Market

A global economic environment where businesses compete across borders to offer the best products and services.

Trade Restrictions

Measures imposed by governments to control or limit the exchange of goods and services across their borders, including tariffs, quotas, and embargoes.

Comparative Advantage

The ability of an entity to produce goods or services at a lower opportunity cost than others, leading to more efficient trade.