Which of the Following Is True About Sponges? Sponges

question 30

Multiple Choice

Which of the following is true about sponges? Sponges

• A) have feeding cells called spicules.
• B) have a nerve net but not a central nervous system.
• C) have larvae that are motile and move via the motion of cilia.
• D) are the simplest diploblastic animals.
• E) exhibit bilateral symmetry.

Analyze the impact of substitutes on the elasticity of demand for resources.

Understand the relationship between the elasticity of demand for labor and the elasticity of demand for the product it produces.

Recognize how a firm's degree of monopoly power affects its resource demand elasticity.

Comprehend the relationship between resource demand elasticity and marginal revenue product curves.

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