Which Two Animals Have No Distinct Circulatory System

question 1

Multiple Choice

Which two animals have no distinct circulatory system?

• A) grasshopper and fish
• B) grasshopper and hydra
• C) hydra and fish
• D) sponge and fish
• E) sponge and hydra

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Definitions:

Effectiveness Lag

The time needed for changes in monetary or fiscal policy to affect the economy

Decision-making Lag

The delay between the identification of a need for a policy response and the implementation of the decision.

Recognition Lag

The time needed to identify a macroeconomic problem and assess its seriousness.

Effectiveness Lag

The time it takes for a policy action, particularly in monetary or fiscal policy, to produce its intended effects on the economy.