All arthropods have similar nervous systems. what are the components of an arthropod's nervous system?
a. brain and spinal chord
b. tracheae and spiracles
c. brain, nerve chord, and ganglia
d. notochord and pharyngeal slits

biology is the study of life. it is the study of living organism.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: