Moving from one country, place, or locality to another.
Solid particles other than organic matter which act as major components of soils and sources of nutrient elements.
The conversion of an element from an organic form to an inorganic state as a result of microbial decomposition.
In seed plants, it gives rise to the pollen grain, the male gametophyte.
The receptacle in which microspores (male spores) are developed.
A living entity which is visible only with the aid of a microscope.
Bacteria, including actinomycetes; viruses, and fungi.
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The fabled passenger liner that sank after hitting an iceberg on her maiden voyage from Southampton, United Kingdom to New York City in April ...
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