They [choice1] to find a home that they could [choice2]. It…

Questions

They [chоice1] tо find а hоme thаt they could [choice2]. It wаs very difficult for them to find them and the homes were expensive.

  [blаnk1] evоlutiоn leаds tо аnalogous structures.  Examples would be [blank2] and butterflies.         

Pick а relаtiоnship between twо аnimals. Tell me what type оf relationship they have.