Mrigank

Nope, its an Singleplayer and server setting

Go to a SP world , use a character with commands. Then Delete the character and the map. And repeat the process. Should work

Just go to singleplayer and use command giveexplorernotes

Yes

To transfer character to another map, Use the obelisks and upload survivor. Log out of game after spawning with a new character, Go to singleplayer and start a new map and download your character. All dinos and structures stay until they are deleted

Giga Rex

It will be taking care of your offspring much like the nurse in S+

Try killing normal crystal wyverns in the tropics , blood swamp as well as the volcano. Alphas can spawn in all the four spawn zone