Answer:
An organ is the simplest body structure to be compose of two or more types of tissue.
Compaction and cementation of classic sediments result in sedimentary rocks.
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The correct answer is eukaryotic cells.
Microscopic subunits within the cell represent the organelles found only in complex eukaryotic cell. The communication between those organelles via signal molecules are also a good example of the functioning of eukaryotic cell.
Eukaryotic cell is a cell that contains a nucleus and organelles, and is enclosed by a plasma membrane.
It’s A an generation that’s the only one that makes sense because evolution is a change over time too