This pattern of parallel evolution must be distinguished from parallelism in phenotypic space.
At the same time, in a complex pattern of parallel evolution, groups of insects appeared with sucking mouthparts capable of feeding on nectar.
Lamella roof, Vaulted roof consisting of a crisscrossing pattern of parallel arches skewed with respect to the sides of the covered space, composed of relatively short members (lamellae) hinged together to form an interlocking network in a diamond pattern.
The light regions are younger, revealing a complex pattern of parallel and intersecting ridges and grooves in addition to unusually bright impact craters typically surrounded by systems of rays.
Compound 5 shows a typical pattern of parallel polycatenation of sql networks.
This effect contributes to the formation of ω and is observed as a symmetric pattern of parallel domains that reflect compositional modulations in the matrix.
Southeast of Mare Imbrium, an ancient, lava-filled basin (foreground, above), a broad pattern of parallel grooves exists that doesn't point back toward the center of the basin itself.
By using a laser to etch a pattern of parallel microgrooves covered with nanoscale surface textures that resemble popcorn under a microscope, researchers have created a material so resistant to water that droplets literally bounce right off.
