Sponges ________

question 26

Multiple Choice

Sponges ________.

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

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Definitions:

Microeconomic Analysis

The study of economic behavior of individuals, households and firms, focusing on the patterns of supply and demand and the price formation in markets.

Environmental Policy

Regulations and practices aimed at protecting the environment from harmful effects of human activities.

Fuel Efficiency Standards

Regulations set by governments to mandate the minimum level of fuel economy vehicles must achieve to reduce fuel consumption and emissions.

Real Cost

The total cost of producing a good or service, including both direct and indirect costs.