non-living.
single-celled organisms with all life functions performed within the cell.
a small, corky pore or narrow line on the surface of the stem of a woody plant that allows the...
an infectious disease that is widespread in tropical and subtropical parts of the world and is...
single-celled brown algae found in fresh water and seawater. They have hard, shell-like cell...
a response of the body tissues to injury or irritation. It causes pain, swelling, redness and...
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