You are studying runoff from fertilized fields that carries nutrients, such as nitrogen and phosphorus, to lakes in your area. you notice that runoff stimulates such an excessive growth of algae that its natural community interactions are disrupted. you can easily account for nutrients necessary to stimulate algal growth, but where do they get their energy?

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.