What two or more body systems are used in these activities and how are they involved? a. playing a video game. b. getting energy to sit through class by eating cereal and a banana. c. going through puberty. d. touching a hot pan and yanking your hand away. e. jumping up and down. f. drinking water on a hot day. g. sneezing. h. blushing. i. hitting your head on the top of the car as you get into it. j. breathing harder during a jog.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

True or false: when a cell differentiates, it becomes a stem cell.