Barriers to Entry Are Obstacles That Make It Difficult or Impossible

question 67

True/False

Barriers to entry are obstacles that make it difficult or impossible for would-be producers to enter a particular market.

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Definitions:

Diploblastic

Animal body plan in which there are only two embryonic tissue layers, the ectoderm and endoderm. Compare with triploblastic.

Cnidocytes

Specialized cells found in cnidarians (e.g., jellyfish) that contain a stinging structure used for capturing prey and defense.

Nemertea

A phylum of invertebrate animals known as ribbon worms or proboscis worms, characterized by their elongate bodies and a unique proboscis apparatus.

Tube-with-a-Tube

A body plan characteristic of many animals, in which the inner tube represents the digestive tract, and the outer tube forms the body wall.