Ligaments are strips of tough tissues that serves as connective tissue for two or more bones and cartilages. These also holds the joints together. They also serve to protect and support the internal organs. Some of the most known ligaments in the body are that of the knees.
Through light transferring in to a surface
Example: Darwin’s Finches
In evolutionary biology, adaptive radiation is a process in which organisms rapidly diversify from ancient species to a wide range of new forms, in particular when environmental changes provide for new resources, create new challenges or open new niches to the environment.
I believe it has something to deal with helping the zebras adapt to their surroundings.
Darwins observations explain that zebras have stripes to adapt to their surroundings.
Mutualism represents a symbiotic relationship where both species involved benefit from the relationship, while on the other hand, commensalism represents a symbiotic relationship where only one organism benefit while the other does not benefit from the relationship.