Algae {brown algae} {kelp} {seaweed} can make fucoxanthin, have no chloroplasts, live in coastal waters, have sexual reproduction, have air bladders, and grow as tufts, ropy strands, or flat branches. Brown algae are multicellular and are largest algae. Kombu has grayish-black ribbons. Sea palm has greenish black twists. Wakame has greenish-black strips. Nori has thin purple sheets. Brown algae used phycobilins and chlorophylls to absorb visible light and make oxygen [-1200000000].
Algae {euglena}| can have one cell, chlorophyll, chloroplasts, nuclear membranes, no cell walls, one or two flagella, gullets, red spots, and asexual reproduction. Euglena can be autotrophs, saprophytes, or holozoic. They store carbohydrates that are not starches.
Algae {red algae} can make phycoerythium, have sexual reproduction using special sex organs, and live in ocean. Red algae are multicellular. Coral algae are red algae. Red algae used phycobilins and chlorophylls to absorb visible light and make oxygen [-1200000000].
Algae {blue-green algae} {cyanobacteria}| can have blue phycocyanin pigment that builds unique starch, have no chloroplasts, have no nuclear membranes, live in water and damp places, and have asexual reproduction. Most cyanobacteria species are multicellular, with cells attached end-to-end by gelatin-like cell covering. Cyanobacteria used phycobilins, carotenoids, and chlorophylls to absorb visible light and make oxygen [-2700000000].
types
Prochlorococcus is one-celled and is smallest photosynthesizer at 0.6 microns diameter. It is the most-abundant genus and makes half of sea oxygen. They can live in low or high light. They do not relate to prochlorophytes. Synechococcus is similar, has 1700 genes, and has 1.7 million bases. Grypania spiralis was early blue-green alga, 0.5 meter wide. Nostoc is symbiotic with gunnera and cycads.
Algae {dinoflagellate}| can make fucoxanthin, have no chloroplasts, live in ocean, have thick interlocking-plate cell walls, have two flagella, store food as oil or leucosin, and have one cell. Dinoflagellates photosynthesize high percentage of Earth oxygen.
Dinoflagellates {red tide}| can kill whales and other vertebrate plankton eaters.
Algae {golden-brown algae} can make fucoxanthin, have cell walls with silica, move by cytoplasmic streaming, store food as oil or leucosin, live in water, have asexual or sexual reproduction, and have one cell. Silica makes cell-wall ridges, lines, and pores.
Most golden-brown algae {diatom}| are light colored. Diatoms photosynthesize high percentage of Earth oxygen and are high percentage of sediments.
Some golden-brown algae species {yellow-green algae} are greenish yellow.
Algae {green algae}| can have chlorophyll, have chloroplasts, have cell walls, have nuclear membranes, make starches, have sexual and asexual reproduction, and live in water or damp places. Green algae are single cell or multicellular. Green algae are in kingdom Plantae. Pond scum is green algae. Green algae used chlorophylls to absorb visible light in shallow water and make oxygen [-750000000].
Chlorophytes {volvox} (order Volvocaceae) (class Chlorophyceae) can be microscopic, be pale green, have spherical colonies, and have flagella. Volvox colonies have all flagella outward and have cell specializations.
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Date Modified: 2022.0225