A Group of Oxygen-Generating Bacteria, the _______, Form Rocklike Structures

question 120

Short Answer

A group of oxygen-generating bacteria, the _______, form rocklike structures known as stromatolites.

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Definitions:

Cell Layer

A single or multiple layers of cells forming a barrier or a structured component in an organism.

Secondary Xylem

The part of a plant's xylem that is produced after the first growth season, providing additional support and water transport.

Sieve Tube Elements

Specialized cells in phloem of vascular plants, forming channels for transporting sugars and other nutrients.

Lenticels

Small, corky areas on the stems and roots of plants that allow for gas exchange with the surrounding air.