Which of the Mollusks Have a Closed Circulatory System

question 98

Multiple Choice

Which of the mollusks have a closed circulatory system?

• A) clams
• B) slugs
• C) snails
• D) squids
• E) chitons

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Definitions:

Protein-Coding Genes

Genes that provide instructions for building proteins, the essential molecules for various biological functions and structures in an organism.

Taxa

Plural form of taxon, denoting groups of one or more organisms seen as entities, often used in the classification and naming of living and extinct organisms.

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often proteins, affecting the cell’s function and development.

Signals From Other Cells

Chemical or physical messages sent from one cell to another, which can affect the behavior, growth, or metabolism of the receiving cell.