How do you build a portal cell? Do you need a blueprint for it?

Yes, you do need a blueprint. If you go to trading and click on the state store, you can purchase the blueprint there.

if you adopt a pet, do you get to keep it forever? Or is there a certain day limit on keeping it?

You keep it forever. There is a 7 day time limit however where you may not sell or repound the pet if you decide you do not like it.

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So today, because I had very little coins, a notice appeared saying I don't have enough coins to feed my pets and my pets are starving. Is anything going to actually happen from that?

Do pets die after a certain age?

Pets never die :) 

One more question /:

how do you delete a group (like to put your pets under. Like unicorns under the Unicorn group..etc.) or can you not delete a group? I don't want to rename it or take the pets out. I just don't want the group anymore. 

Hey I have the following question:

How to use the pheromones on a throdama once they are ready? I can't seem to find it... 

Thanks in advance!

How do I change my profile picture and add text to my profile page?

Ive been playing so long but never figured it out. Hate to ask, but its necessary at this point. 

The My Account Tab > My Account (or just click this: http://beastkeeper.com/preferences)

You can upload a profile picture here, edit your signature, and add things to the main page of your stable.

Genetic Point Question. I think I already know the answer, but since I screwed up so badly, I'm in denial. T_T

From the FAQ

"Genetic Power is a bonus which child will get if the parents were properly trained before conceiving a baby."

If a pet has a child before hitting 50, will it forever take away its chances of giving its child a GP? 

No, having a baby before hitting lvl 50 will not take away your chances of having a GP baby

Heres one: I can't seem to change or remove my profile picture. Ar there any special requirements apart from the 100x100 limit? 

I have been looking for instructions but I can't find any. Just a little bit of info either in the FAQ or on the account settings page would be useful.

Never mind, as soon as I switched from Chrome to Firefox I had no problems changing picture what so ever. 

Can I do anything with baby pets?

@ Namora - You can research their genes and that's about it. Breeding/Battling/Exploring with them has to wait until they've grown up.