Jun 11, 2018 · Algae Algae (singular: alga) are photosynthetic, eukaryotic organisms that do not develop multicellular sex organs. Algae can be unicellular, or they may be large, multicellular organisms. …

May 11, 2018 · green algae Large group of marine and freshwater algae (phylum Chlorophyta). They are distinct from other algae by virtue of possessing cup-shaped chloroplasts that contain chlorophyll …

Jun 27, 2018 · Cyanobacteria Cyanobacteria (blue-green algae [1]) are microorganisms that structurally resemble bacteria (they lack a nucleus and organelles ). However, unlike other bacteria, …

Jun 27, 2018 · Protista Background Classification Protozoa Algae Slime molds and water molds Disease-causing protists Beneficial protists Resources The kingdom Protista is the most diverse of …

May 18, 2018 · Evolution of Plants Plants, descended from aquatic green algal ancestors, first appeared on land more than 450 million years ago during or prior to the Ordovician period. This event …

Jun 27, 2018 · Cryptomonads for instance, are considered red-brownish algae of Cryptomonadida Order by botanists, and protozoans of Cryptophycea Class by zoologists. This controversy is due to the …

Jun 27, 2018 · Rhodophyta (red algae) A group of Eukarya which are mostly red in colour; no flagellated cells are formed, and the storage product is a type of starch known as floridean starch. Sexual …

May 21, 2018 · Further complicating a precise definition of protozoa is the close relationship between some protozoa and unicellular algae. Modern taxonomic treatments recognize these similarities and …

May 17, 2018 · Yeast Yeasts are single-celled fungi , belonging mainly to the Ascomycetes, that serve as nutrient recyclers in nature, but are also important in industry, biotechnology , and as the agents …

Jun 27, 2018 · Photosynthesis Photosynthesis is the biological conversion of light energy into chemical energy. This occurs in green plants, algae, and photosynthetic bacteria .