Examlex
Based on the figure shown here, which organism is not a primary consumer?
Endosymbiotic Theory
A theory suggesting that some organelles, such as mitochondria and chloroplasts, were originally free-living bacteria that were taken inside another cell.
Organelles
Organelles are specialized structures within a cell that perform distinct functions, such as the mitochondria for energy production and the nucleus for genetic information storage.
Prokaryotic Cells
Cells without a distinct nucleus or other membrane-bound organelles, including the bacteria and archaea.
Nuclear Envelope
A double-layered membrane that encases the nucleus of a eukaryotic cell, separating its genetic material from the cytoplasm.
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