Answer: C. Gravel
Gravel has the highest permeability.
Organism, organ system, Organ, Tissue, Cell
Biosphere, organisation, ecosystem, community, population
Population, organism, organ system, tissue, cell
Biosphere, ecosystem, community, population, organism
The right option is; it interprets signals from the external environment
The peripheral nervous system (PNS) is made up of all parts of the nervous system, except the brain and spinal cord (parts of the central nervous system). The peripheral nervous system functions as a channel through which neural signals are transferred from and to the central nervous system. Two types of neurons (sensory and motor neurons) functions in the PNS. The motor neurons transfer neural signals from the central nervous system directly to various muscles, glands, and organs (effectors) throughout the body.
<span>Basically, the breeder selects individuals with desired traits (high milk yields, lots of wool etc) and keeps breeding then until the descendants display a very exaggerated set of traits.
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