somatic effects, radiation effects such as cancer that occur in the exposed individual, as opposed to genetic effects, which occur in the individual's offspring.omatic effects, radiation effects such as cancer that occur in the exposed individual, as opposed to genetic effects, which occur in the individual's offspring.
It varies from spider to spider. Most have eight - four main ones  and 4 small back ones.   It depends. some have 4 some have 2.   It varies by species, but usually tâ¦hey have 6 or 8 eyes.   some have 8, some have 6 8.
Before plunging into the facts as to what do spiders eat let me first briefly explain about this specie. Spiders are the insects that belong to the order of Araneae. They have eight legs and chelicerae coupled with fangs that instill venom. Spiders are air-breathing arthropods with the total number of species counted (in 2008) to 40,000 in the world.