Richard is an avid gardener who spends a lot of time caring for the plants in his garden. to minimize damage from pests from his garden, richard uses a pesticide spray. at first the spray is very effective and kills off most of the insects that he sees on his vegetable plants. however, after a few years of using the same pesticide he notices that some insects are surviving and continuing to eat his plants. this selection for herbicide resistance in the insects is an example ofa. natural selection. b. evolution. c. an adaptation. d. a gene. e. a learned response.

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.