What is the definition of a lichen?

Answer 1

Lichen is the symbiotic association of a fungus (the mycobiont, which provides shelter and structure for the partnership or symbiosis), with an alga or cyanobacterium (the photobiont, also known as the phycobiont, which provides the food for the partnership from photosynthesis).

The fungus and the alga components cannot survive alone in the environment in which the lichen symbiosis thrives.
Lichen is a type of plant that is usually found in the Tundra. It also is a type of fungi.
A lichen is a symbiosis of a fungus and a photosynthetic organism, either a type of bacteria or a plant. The fungus provides protection for the photosynthetic joint of its being, and the bacteria provides energy for the fungus.

Answer 2

A simple slow-growing plant that typically forms a low crustlike, leaflike, or branching growth on rocks, walls, and trees.

Lichens are composite plants consisting of a fungus that contains photosynthetic algal cells. Their classification is based upon that of the fungal partner, which in most cases belongs to the subdivision Ascomycotina, and the algal partners are either green algae or cyanobacteria. Lichens obtain their water and nutrients from the atmosphere and can be sensitive indicators of atmospheric pollution.

Answer 3

Lichen are plants having vegetative body of an alga and fruiting body of a fungus. the association of algae and fungi forms organisms called Lichens. Their presence is an indicator of healthy air.

Answer 4

Litchen is a dual organism which is made up of fungus and alga, Associated in a mutually beneficial association.

Answer 5

Yes, Lichen is a dual organism which is made up of fungus and alga, Associated in a mutually beneficial association.

Answer 6

All Lichen is a combination of Algae and Fungi

Answer 7

Don't know you tell me. If you need to know the answer then look in your book. How an you you going to learn without a book and learning it yourself? Shame on you people.

Answer 8

Not entirely. A lichen is a composite organism consisting of a symbiotic relationship between algae and a fungus.

Answer 9

Lichen is a dual organism which is made of a fungus and an alga, associated in a mutually beneficial association.