Question

human adaptation to arid zone.

Answer 1

ɪɴ ʜᴏᴛ ᴄʟɪᴍᴀᴛᴇs ᴛʜᴇ ᴘʀᴏʙʟᴇᴍ ɪs ɴᴏᴛ ɪɴ ᴍᴀɪɴᴛᴀɪɴɪɴɢ ʙᴏᴅʏ ʜᴇᴀᴛ ʙᴜᴛ ɪɴ ᴅɪssɪᴘᴀᴛɪɴɢ ɪᴛ. ... sᴋɪɴ ᴘɪɢᴍᴇɴᴛᴀᴛɪᴏɴ ɪs ᴍᴏᴅᴇʀᴀᴛᴇ sɪɴᴄᴇ ᴇxᴛʀᴇᴍᴇ ᴘɪɢᴍᴇɴᴛᴀᴛɪᴏɴ ɪs ɢᴏᴏᴅ ᴘʀᴏᴛᴇᴄᴛɪᴏɴ ғʀᴏᴍ ᴛʜᴇ sᴜɴ ʙᴜᴛ ᴀʟʟᴏᴡs ᴀʙsᴏʀᴘᴛɪᴏɴ ᴏғ ʜᴇᴀᴛ, ᴡʜɪᴄʜ ᴍᴜsᴛ ʙᴇ ʟᴏsᴛ ʙʏ sᴡᴇᴀᴛɪɴɢ. ᴀᴅᴀᴘᴛᴀᴛɪᴏɴ ᴛᴏ ɴɪɢʜᴛ ᴄᴏʟᴅ ɪs ᴀʟsᴏ ᴄᴏᴍᴍᴏɴ ɪɴ ᴅᴇsᴇʀᴛ-ᴀᴅᴀᴘᴛᴇᴅ ᴘᴇᴏᴘʟᴇ.

Answer 2

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The desert-adapted person can sweat freely but must deal with the water loss involved; hence, he is usually thin but not tall. This adaptation minimizes both water needs and water loss.