Research from Germany suggests that spiders have many small fibers pointing in different directions, which allows them to stick to and move along steep surfaces.
Asexual species do not have genetic variability like humans, and most animals, do. Despite that, they can still adapt to environmental changes using modifications to their DNA known as epigenetic changes.
40 new species of fish have been found in Lake Mweru in East Africa. Breeding of related lineages may have allowed the cichlids to rapidly evolve to fill different ecological niches.