Activity: Altruism
Read the article from the link below:
“Why altruism paid off for our ancestors”
https://www.newscientist.com/article/dn10750-why-altruism-paid-off-for-ourancestors/#.U8xuIhn-I7A
1. Define altruism.
2. How can altruism be explained?
3. Is true altruism common? Why?
4. Who do the most common occurrences of altruism involve?