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Which One of the Following Statements Is Correct

question 57

Multiple Choice

Which one of the following statements is correct?


Definitions:

Symmetrical Body Plan

A layout of an organism's body parts in a balanced distribution around a central line or point, allowing for the division into mirror-like halves.

Tissues

Groups of cells in an organism that have similar structure and function.

Mantle

In geology, the layer of the Earth between the crust and the outer core; in biology, a tissue that encloses the vital organs of mollusks and secretes the shell.

Mollusk Group

A diverse group of invertebrate animals that includes snails, clams, squids, and octopuses, characterized by a soft body that is often protected by a hard shell.

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