Save. Two generations of headlights. image by wrangler from Fotolia.com. Foggy or dull headlights can become a major safety issue when you're driving in inclement weather, so it's in your best interest to keep your vehicle's headlights clear and clean.Most car headlights today use quartz-halogen bulbs attached to large plastic reflectors.ipe down the lens with a dry cloth. Check the lens for any hairline scratches, before removing the masking tape and reattaching the lens. Use an electric buffer to remove any scratches you come across.
20% (one in five) of fungal species live in lichens. Lichen fungi belong to several different groups of fungi. Most common (over 40%) are Ascomycetes, which produce spores in a sac-shaped container, the ascus.Only a few types of alga occur within lichens; these algae also have their own names.ichen fungi belong to several different groups of fungi. Most common (over 40%) are Ascomycetes, which produce spores in a sac-shaped container, the ascus. Only a few types of alga occur within lichens; these algae also have their own names.
liâ¢chen. 1. any complex organism of the group Lichenes, composed of a fungus in symbiotic union with an alga, most commonly forming crusty patches on rocks and trees. 2. any of various eruptive skin diseases.3. to cover with or as if with lichens. lÄ«chÄn leichá¸n ].ichen. n. 1. (Plants) an organism that is formed by the symbiotic association of a fungus and an alga or cyanobacterium and occurs as crusty patches or bushy growths on tree trunks, bare ground, etc. Lichens are now classified as a phylum of fungi (Mycophycophyta).