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

80 pts the type of cloud shown here may produce heavy rainfall. this type of cloud most likely occurs in an area of the sub-saharan that is a) often dry. b) often wet. c) very windy. d) usually cool.

Which group of molecules are targeted by the kinases in order to control this movement

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!