1. What is meant by "survival of the fittest?"

2. Is a wooden fence post a living thing? Why or Why not?

3. Is the trunk on a tree a living thing? Why or Why not?

1. Survival fitness is the existence of organisms that are best adapted to their environment, with the extinction of others.

2. A wooden fence is not considered a living thing. It might have living things growing ON it, but it's not living. It was once a living thing yes, but now, no.

3. The trunk on a tree is definitely a living thing. It's part of the tree after all.