The most specialized organism is the GRIZZLY BEAR. Specialized animals refers to those animals, which have different types of cells in their body which carry out different types of functions.
Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.
Mutualism
Mutualism is a symbiotic relationship in which both species benefit. An example of mutualism involves goby fish and shrimp
It moves through rocks, water, soil and sediments I think hope this helps
I think b would fit more as the mitochondria, d would be the endoplasmic reticulum, and e would be lysosomes
It is an example of a withdrawal reflex.