Note: You only get ONE chance to get MOST of these.
The Council consists of: Asari, Turians, and Salarians.
The extinct Races are: Protheans, Rachni
The Non-Council races are:Batarians, Elcor, Geth, Hanar, Keepers, Krogan, Quarians, Volus
At the very beginning of the game, talk to people about the Spectres and Saren.
Either talk with Captain Anderson, or with Avina[The VI about the council races].
Talk to Captain Anderson after the first meeting with the council.
CAN ONLY GET WITH TALKING WITH CAPTAIN ANDERSON!
Talking with Avina the VI near the Krogan Statue about the Krogans, the rebellion, and the war.
After acquiring the Normandy, talk with Captain Anderson. Ask him about him becoming a Specter.
Talk to the Elcor diplomat Calyn in the embassy. The embassy is to the right of the Human Embassy.
Ask Ashley AFTER finding her on Eden Prime.
Either with the Preaching Hanar, or with the Shop Keeper that is Hanar. Ask him about his speech.
Ask Avina the VI near the Citadel Tower light.
Automatic by watching the confrontation between Wrex and the Krogan bouncer in Chora's Den.
Talk to Garrus in medical center.
Talk with Avina outside the embassies.