Examlex
Which of the following is transported in greater quantities in the lymphatic system than in the blood?
Organelle
One of the specialized structures within the cell, such as the mitochondria, Golgi complex, ribosomes, or contractile vacuole; many organelles are membrane-enclosed.
Geologic Time Scale
A system of chronological dating that relates geological strata to time, used by geologists and other Earth scientists to describe the timing and relationships of events in Earth's history.
Eon
The largest division of the geologic time scale; eons are divided into eras.
Mass Extinction
An event in which a significant, global decrease in the diversity and abundance of life occurs in a relatively short period of geological time.
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