No. It's an old g3 processor
No. Airport extreme cards are for iBook G4's. iBook G3's Use Regular Airport Cards
In order to use wi-fi with an iBook Clamshell, you need an Air Port card. It needs to be the old type.
Yes.
iBook G3's Use PC133 Memory. iBooks only have one slot.
The G3 iBook (M6497) had the option of adding the AirPort wireless card. An individual G3 iBook today would need to be checked to see if the AirPort card is present.
The difference is the keyboard, processor ( the fastest G3 is 900 MHz - G4 is 1.42 GHz) , memory (g3 can have up to 640mb - g4 1.5gb
Sadly, no.
No. The iBook G4 uses opaque white plastic, rather than the clear white plastic with white undercoating like the iBook G3, so its appearance is quite different.
Apple iBook G3, 1999
Replacement power adapters for the iBook G3 ClamShell (M24353) are widely available. (See links below).
The G3 (700MHz) iBook was introduced in mid 2002 and was discontinued at the end of 2003 to be replaced with the G4 iBooks.
iLife '08 requires a G5 processor. The last version of iLife capable of running on G3 processors was iLife '05.