Question

${ \huge { \boxed { \red {Question}}}}$
${\bold {\red{what \: are \: lichens}}}$
​

Answer 1

Answer:

${ \huge { \boxed { \pink{Answer - }}}}$

Lichens is a symbiotic relationship between different organisms - a fungus and an alga. They can grow on rocks, decaying wood logs, tree barks etc. Lichens are used to prepare natural indicator called litmus.

Answer 2

$\huge\mathfrak\purple{Answer!!!}$

ʟɪᴄʜᴇɴ, ᴀɴʏ ᴏғ ᴀʙᴏᴜᴛ 15,000 sᴘᴇᴄɪᴇs ᴏғ ᴘʟᴀɴᴛʟɪᴋᴇ ᴏʀɢᴀɴɪsᴍs ᴛʜᴀᴛ ᴄᴏɴsɪsᴛ ᴏғ ᴀ sʏᴍʙɪᴏᴛɪᴄ ᴀssᴏᴄɪᴀᴛɪᴏɴ ᴏғ ᴀʟɢᴀᴇ (ᴜsᴜᴀʟʟʏ ɢʀᴇᴇɴ) ᴏʀ ᴄʏᴀɴᴏʙᴀᴄᴛᴇʀɪᴀ ᴀɴᴅ ғᴜɴɢɪ (ᴍᴏsᴛʟʏ ᴀsᴄᴏᴍʏᴄᴇᴛᴇs ᴀɴᴅ ʙᴀsɪᴅɪᴏᴍʏᴄᴇᴛᴇs). ʟɪᴄʜᴇɴs ᴀʀᴇ ғᴏᴜɴᴅ ᴡᴏʀʟᴅᴡɪᴅᴇ ᴀɴᴅ ᴏᴄᴄᴜʀ ɪɴ ᴀ ᴠᴀʀɪᴇᴛʏ ᴏғ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛᴀʟ ᴄᴏɴᴅɪᴛɪᴏɴs.