A commonly observed example of this is the differences between populations of animals that live in the wild and ones that live among humans. The underfur is a thick yet very fine dark-colored hair covering the skin.

It serves as an insulator keeping the porcupine … 1. 3.
For example, bird calls and migration are behavioral adaptations.

Name two of the porcupine’s adaptive traits and how each helps it survive: 2.
These are two other adaptations of hair covering the porcupine's body. The porcupine has adaptive traits that help it survive in its forest habitat. Unlike other adaptations, however, behavioral adaptations are not always heritable. Behavioral Adaptations: Behavioral adaptations are the things organisms do to survive. Porcupine Quills Porcupines have soft hair, but on their back, sides, and tail it is usually mixed with sharp quills. Some quills, like those of Africa's crested porcupine, are nearly a foot long. In many cases, they are learned. Name two other living things that have an adaptive trait like the porcupine and how their adaptations help repel predators.