Question

a. Draw a ‘pyramid of numbers’ of a situation where a large population of insects

feed upon a very big tree. The insects in turn, are eaten by small birds which

in turn are fed upon by big birds.

b. Differentiate giving reason, between the pyramid of biomass of the above

situation and the pyramid of numbers that you have drawn.​

Answer 1

Explanation:

$\huge\bold\red{Answer}$

Note : For pyramid → Refer to attachment

ᴛʜᴇ ᴘʏʀᴀᴍɪᴅ ᴏғ ʙɪᴏᴍᴀss ɪs ᴜᴘʀɪɢʜᴛ ᴀᴛ ᴛʜᴇ ғɪʀsᴛ ᴛᴡᴏ ᴛʀᴏᴘʜɪᴄ ʟᴇᴠᴇʟs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ʙɪᴏᴍᴀss ᴏғ ᴀ sɪɴɢʟᴇ ᴛʀᴇᴇ ɪs ᴍᴜᴄʜ ᴍᴏʀᴇ ᴛʜᴀɴ ᴛᴏᴛᴀʟ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ ᴏғ ɪɴsᴇᴄᴛs. ᴡʜᴇʀᴇᴀs, ᴛʜᴇ ᴘʏʀᴀᴍɪᴅ ᴏғ ɴᴜᴍʙᴇʀ ɪs ɪɴᴠᴇʀᴛᴇᴅ ᴀᴛ ᴛʜᴇ ғɪʀsᴛ ᴛᴡᴏ ᴛʀᴏᴘʜɪᴄ ʟᴇᴠᴇʟs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ɪɴsᴇᴄᴛs ɪs ᴍᴜᴄʜ ᴍᴏʀᴇ ᴛʜᴀɴ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴛʀᴇᴇs.

Answer 2

Answer:

\huge\bold\red{Answer}

ᴛʜᴇ ᴘʏʀᴀᴍɪᴅ ᴏғ ʙɪᴏᴍᴀss ɪs ᴜᴘʀɪɢʜᴛ ᴀᴛ ᴛʜᴇ ғɪʀsᴛ ᴛᴡᴏ ᴛʀᴏᴘʜɪᴄ ʟᴇᴠᴇʟs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ʙɪᴏᴍᴀss ᴏғ ᴀ sɪɴɢʟᴇ ᴛʀᴇᴇ ɪs ᴍᴜᴄʜ ᴍᴏʀᴇ ᴛʜᴀɴ ᴛᴏᴛᴀʟ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ ᴏғ ɪɴsᴇᴄᴛs. ᴡʜᴇʀᴇᴀs, ᴛʜᴇ ᴘʏʀᴀᴍɪᴅ ᴏғ ɴᴜᴍʙᴇʀ ɪs ɪɴᴠᴇʀᴛᴇᴅ ᴀᴛ ᴛʜᴇ ғɪʀsᴛ ᴛᴡᴏ ᴛʀᴏᴘʜɪᴄ ʟᴇᴠᴇʟs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ɪɴsᴇᴄᴛs ɪs ᴍᴜᴄʜ ᴍᴏʀᴇ ᴛʜᴀɴ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴛʀᴇᴇs.