88. __________ is the situation when one hormone cannot exert its full effects without another hormone being present. Permissiveness. 89. The stimuli causing endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients are called __________.
A KTM Quad 990 ATV. An all-terrain vehicle (ATV), also known as a quad, quad bike, three-wheeler, four-wheeler, or quadricycle as defined by the American National Standards Institute (ANSI) is a vehicle that travels on low-pressure tires, with a seat that is straddled by the operator, along with handlebars for steering control.
RV - a motorized wheeled vehicle used for camping or other recreational activities R.V., recreational vehicle camping bus, motor home, camper - a recreational vehicle equipped for camping out while traveling beach buggy, dune buggy - a recreational vehicle with large tires used on beaches or sand dunes self-propelled vehicle - a wheeled vehicle that carries in itself a means of propulsion