What Is the Purpose of Protonephridia in Flatworms

question 62

Multiple Choice

What is the purpose of protonephridia in flatworms?

• A) To sense prey
• B) To exchange gas
• C) To respond to stimuli
• D) To regulate fluid balance
• E) To serve as a structure for sexual reproduction

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Definitions:

Epigenetics

The analysis of inheritable modifications in the way genes are expressed, without any changes occurring to the actual DNA sequence.

Molecular Mechanisms

A term referring to the specific biochemical interactions that occur within living cells to maintain and regulate their function and response.

Environmental Influence

The effect that surroundings, including cultural and natural factors, have on the development and behavior of individuals.

Binge-Eating Disorder

A psychological condition characterized by recurrent episodes of eating large quantities of food feeling a lack of control during the episodes, and guilt or shame afterward.