Which Statement About the Phanerozoic Eon Is False

question 22

Multiple Choice

Which statement about the Phanerozoic eon is false?

• A) Life was restricted to microscopic aquatic forms.
• B) Ray-finned fishes first appeared.
• C) Multicellular life was largely aquatic.
• D) Vascular plants first appeared.
• E) Swamp forests appeared.

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Definitions:

Muscle Tissue

A tissue composed of cells or fibers, the function of which is to contract to facilitate movement of the body or its parts.

Contractility

The ability of muscle fibers to shorten and generate force.

Glia

Non-neuronal cells in the central and peripheral nervous system that support, nourish, and protect neurons.

Support Cells

Cells that provide structural and functional support in various tissues and organs, often contributing to the maintenance and repair of neighboring cells.