Read the jumbled sentences and re-arrange them into a cohesive paragraph.

1. When a member is wounded or sick, the others do not abandon it.
2. We can learn a lot from them.
3. The young remain with their parents for up to 15 years or more.
4. In times of danger they look after one another.
5. Though fish and whales live in water, whales do not behave like fish.
6. Many whales show strong family ties.
7. In fact, they behave like human beings.
8. This kind of behavior has often led to their ruin.
9. Like some land mammals, whales live in herds.
10. They may cradle it between then or support it on their back so that it can breathe.