Question

why food chain is necessary​

Answer 1

Answer:

Food chains are important because they show the intricate relationships in ecosystems. They can reveal how each organism depends on someone else for survival.

Explanation:

may be it helps

Answer 2

Answer:

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ғᴏᴏᴅ ᴡᴇʙs ᴀʀᴇ ɪᴍᴘᴏʀᴛᴀɴᴛ ᴛᴏᴏʟs ɪɴ ᴜɴᴅᴇʀsᴛᴀɴᴅɪɴɢ ᴛʜᴀᴛ ᴘʟᴀɴᴛs ᴀʀᴇ ᴛʜᴇ ғᴏᴜɴᴅᴀᴛɪᴏɴ ᴏғ ᴀʟʟ ᴇᴄᴏsʏsᴛᴇᴍs ᴀɴᴅ ғᴏᴏᴅ ᴄʜᴀɪɴs, sᴜsᴛᴀɪɴɪɴɢ ʟɪғᴇ ʙʏ ᴘʀᴏᴠɪᴅɪɴɢ ɴᴏᴜʀɪsʜᴍᴇɴᴛ ᴀɴᴅ ᴏxʏɢᴇɴ ɴᴇᴇᴅᴇᴅ ғᴏʀ sᴜʀᴠɪᴠᴀʟ ᴀɴᴅ ʀᴇᴘʀᴏᴅᴜᴄᴛɪᴏɴ