Question

What is regeneration? State a reason why a more complex organism cannot give rise to new individuals through this method.​

Answer 1

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Regeneration is the ability of a fully differentiated organism to give rise to new individual organisms from its body parts. More complex organisms cannot give rise to new individuals through regeneration because:

(i) their body is highly complicated.

(ii) there are specific organs to do specific functions.

(iii) there is a labour division in the body of complex organisms.

(iv) regeneration is carried out by specialised cells which are not present in complex organisms.

Answer 2

ϟ Rᴇɢᴇɴᴇʀᴀᴛɪᴏɴ ϟ

Tʜᴇ ᴘʀᴏᴄᴇss ᴏғ ɢᴇᴛᴛɪɴɢ ʙᴀᴄᴋ ᴀ ғᴜʟʟ ᴏʀɢᴀɴɪsᴍ ғʀᴏᴍ ɪᴛs ʙᴏᴅʏ ᴘᴀʀᴛ ɪs ᴄᴀʟʟᴇᴅ ʀᴇɢᴇɴᴇʀᴀᴛɪᴏɴ.

ϟ Rᴇᴀsᴏɴs ϟ

ʀᴇɢᴇɴᴇʀᴀᴛɪɴɢ ᴀ ᴅɪғғᴇʀᴇɴᴛ ᴋɪɴᴅ ᴏғ ᴛɪssᴜᴇ ғʀᴏᴍ ᴀɴᴏᴛʜᴇʀ ᴋɪɴᴅ ɪs ɴᴏᴛ ᴘᴏssɪʙʟᴇ. ʜᴇɴᴄᴇ, ᴄᴏᴍᴘʟᴇx ᴏʀɢᴀɴɪsᴍs ᴀʀᴇ ᴜɴᴀʙʟᴇ ᴛᴏ ɢɪᴠᴇ ʀɪsᴇ ᴛᴏ ɴᴇᴡ ɪɴᴅɪᴠɪᴅᴜᴀʟs ᴛʜʀᴏᴜɢʜ ʀᴇɢᴇɴᴇʀᴀᴛɪᴏɴ.

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