What is the most common housekeeping gene used to identify bacterial isolates by sequencing?

Suppose that two preteen girls take turns brushing each other’s hair. These girls are demonstrating ____.

Some scholars have argued that it is difficult (if not impossible) to distinguish between reactive and proactive aggression because ____.

Regarding oneself as a reasonably good person “as is” is known as ____.

Julia likes Luiz a lot. Luiz thinks Julia is okay, but he does not like her as much as she likes him. What is Luiz most likely to feel with regard to Julia after a while?

Waz and Sarah have been happily married for 10 years. Like typical couples, they probably think that they are ____, whereas in reality, ____.

Erik is satisfied with his lover, Gemma, and they have been together for many years. But he is constantly investigating other “alternatives” by going to singles bars and updating his profile on online dating sites. What would the investment model predict about the stability of this relationship?

Lejla finds out that her classmate, Dina, thinks that she is really interesting. This makes Lejla like Dina more than she did before. What does research suggest about this kind of reciprocation of liking?

Research indicates that reciprocity norms are found in ____ human cultures.

According to which of the following do people learn to behave aggressively in the same way that they learn other things—by direct experience and observing others?