Answer: Tissue
Explanation:
A tissue is an ensemble of <u>similar cells and their extracellular matrix (structure) </u>from the same origin that together carry out a specific function.
Answer:
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Explanation:
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A small amount of nitrogen is fixed by lightning, but most of the nitrogen harvested from the atmosphere is removed by nitrogen-fixing bacteria and cyanobacteria (formerly called blue-green algae). The nitrogen cycle transforms diatomic nitrogen gas into ammonium, nitrate, and nitrite compounds.
The lens is the clear oval structure in the eye that focuses light as an image on the retina.
