Students conducted an investigation to provide evidence to support the idea that a tree is made up of different kinds of cells which of the following provides evidence which would support this idea A: samples taken from different parts of any tree all contained cells

B: cells from different parts of a single tree have varying structures and functions

C: sounds collected from one tree were different than cells collected from another tree

D: one cell collected from a single tree was made up of several different parts

Please help

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.