Algae are defined as a group of predominantly aquatic, photosynthetic, and nucleus-bearing organisms that lack the true roots, stems, leaves, and s...

Algae are eukaryotic organisms and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. In...

Some species of algae produce toxins that are lethal to fish, or render shellfish and finfish unsafe for consumption. The (taxonomically contentiou...

Algae range in size from picoplankton, which are between 0.2 to 2 micrometers (0.000008 to 0.000079 inches) in diameter, to giant kelp, which can b...

Algae produce up to half of the oxygen in Earth's atmosphere, and algae help keep carbon dioxide out of the atmosphere by storing it. Algae are als...