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5 days ago · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the ...
4 days ago · Menstrual cycle, recurring fluctuations in hormone levels that produce physical changes in the uterus and ovaries to prepare the female body for pregnancy.
3 days ago · Microplankton (also called net plankton) is composed of organisms between 0.05 and 1 mm ... mm. Phytoplanktonic ... https://www.britannica.com/science/plankton.
4 days ago · Glacier ice is an aggregate of irregularly shaped, interlocking single crystals that range in size from a few millimetres to several tens of centimetres. Many ...
6 days ago · Coloration, in biology, the general appearance of an organism as determined by the quality and quantity of light that is reflected or emitted from its ...
4 days ago · Nebula, any of the various tenuous clouds of gas and dust that occur in interstellar space. The term was formerly applied to any object outside the solar ...
4 days ago · Astronomical observatory, any structure containing telescopes and auxiliary instruments with which to observe celestial objects.
5 days ago · The fusion process has been studied in order to understand nuclear matter and forces, to learn more about the nuclear physics of stellar objects, ...
6 days ago · Blood count, laboratory test that determines the number of red blood cells (erythrocytes) and white blood cells (leukocytes) in a given volume of blood.
2 days ago · Millimeters are the 1000th part of a meter. It is normally used to express the distance between two points or measure an object's length. For changing ...