Assuming you mean Toyota. there are plenty of after market service guides. Just get the model number (in the engine bay).
Most campers are made by others. You need to find out which company did the works and then ask them. It is often in the vehicle registration details or on a plaque...
6 inherited is what you're born with. Acquired is what you pick up along the way
7 There's no such thing as Lamarkian evolution. Lamark argued that acquired characters were heritable.
8 They didn't. They just lived their lives oblivious of him.
9 Not every creature that dies gets to be a found...
Not all termites are pests, so it may save you a lot of money to find out what type you have.
You shouldn't disturb anything until you really have to as these days a group of feeding termites can make control easier.
A month is very quick. They were probably already there and have just moved...
If you mean that it drives in park then the gear lever adjustment is way off
If you mean that it won't idle in drive, then there is too much drag in the torque converter. That sounds ugly unless you haven't given it fresh ATF (auto transmission fluid) for a long, long time.
Off to the mechanic.