Which of the following leaf adaptations is not matched with its reason for variation? a) needles - protection b) succulents - water storage c) tendrils - climbing d) spines - protection

4. discuss additional factors that some planets have that affect their seasons. 5. what fact about other planet’s seasons most surprised you and what did you find the most interesting? why?

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist