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Asexual: binary fission from a partitioned parent cell. Sexual: Conjugation to form a hypnozygote. The Closterium peracerosum-strigosum-littorale (C. psl) complex is a unicellular, isogamous charophycean alga cells that is the closest unicellular relative to land plants.
This cyanobacteria causes substantial destruction to roofs causing shingle decay and loss of reflective power. Over time, Gloeocapsa magma breaks down the shingles by feeding off of the limestone granules embedded in the shingles. [citation needed] This decreases a roof's ability to reflect ultra-violet rays of light and shortens the life of ...
An insurer dropped these San Francisco homeowners because of ‘mold, algae’ found in aerial footage of roof — but inspector says it’s good for 20 more years. What to do if it happens to you
Red algae of the order Bangiales undergo an unusual triphasic haploid-diploid life cycle; they can alternate between sexual and asexual reproduction. The distinction is primarily caused by environmental factors. [34] They were originally proposed to have two phases in its life cycle, the diploid sporophyte and the haploid gametophyte.
Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
Polysiphonia, known as red hair algae, [1] is a genus of filamentous red algae with about 19 species on the coasts of the British Isles [2] and about 200 species worldwide, [3] including Crete in Greece, Antarctica and Greenland. [4] [5] Its members are known by a number of common names. [note 1] [4] It is in the order Ceramiales and family ...
Staurastrum is a large genus of desmids (Desmidiaceae), [1] a group of green algae closely related to the land plants (Embryophyta). [2] [3] Members of this genus are microscopic and found in freshwater habitats around the world. The name Staurastrum comes from the Greek roots stauron, meaning "cross", and astron, meaning "star". [4]
Bangiophyceae is a class of red algae that includes the order Bangiales and possibly Goniotrichales. [ a ] In some classifications it is merged with the Florideophyceae to form the Rhodophyceae . The Bangiophyceae, as defined traditionally, are paraphyletic . [ 3 ]