Question

what are lichens ? what are Lichenc​

Answer 1

ʟɪᴄʜᴇɴs ᴀʀᴇ ʙɪᴢᴀʀʀᴇ ᴏʀɢᴀɴɪsᴍs ᴀɴᴅ ɴᴏ ᴛᴡᴏ ᴀʀᴇ ᴀʟɪᴋᴇ. ʟɪᴄʜᴇɴs ᴀʀᴇ ᴀ ᴄᴏᴍᴘʟᴇx ʟɪғᴇ ғᴏʀᴍ ᴛʜᴀᴛ ɪs ᴀ sʏᴍʙɪᴏᴛɪᴄ ᴘᴀʀᴛɴᴇʀsʜɪᴘ ᴏғ ᴛᴡᴏ sᴇᴘᴀʀᴀᴛᴇ ᴏʀɢᴀɴɪsᴍs, ᴀ ғᴜɴɢᴜs ᴀɴᴅ ᴀɴ ᴀʟɢᴀ. ... ᴛʜᴇ ᴀʟɢᴀ ᴄᴀɴ ʙᴇ ᴇɪᴛʜᴇʀ ᴀ ɢʀᴇᴇɴ ᴀʟɢᴀ ᴏʀ ᴀ ʙʟᴜᴇ-ɢʀᴇᴇɴ ᴀʟɢᴀ, ᴏᴛʜᴇʀᴡɪsᴇ ᴋɴᴏᴡɴ ᴀs ᴄʏᴀɴᴏʙᴀᴄᴛᴇʀɪᴀ. ᴍᴀɴʏ ʟɪᴄʜᴇɴs ᴡɪʟʟ ʜᴀᴠᴇ ʙᴏᴛʜ ᴛʏᴘᴇs ᴏғ ᴀʟɢᴀᴇ.

Answer 2

Answer:

A lichen, or lichenized fungus, is actually two organisms functioning as a single, stable unit. Lichens comprise a fungus living in a symbiotic relationship with an alga or cyanobacterium (or both in some instances). There are about 17,000 species of lichen worldwide.

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