Cell division could be known as mitosis or meiosis.
Eye strain - hope this helped
Pretty sure its secondary waves
Despite their frequency in the intertidal zone, in tide pools, sea urchins can be found at many different depths and in any habitats. They can also be found in nearly any ocean temperature. Sea urchins inhabit the polar seas as well as the warm tropics.
The answer is A. Mutualism. Both the flower and the insect benefit from the relationship; the flower is pollinated and the bee gets nectar.