3 3
Part A
(a)
Select the descriptions into the correct order to show how zebra
mussels can affect a waterway.
1.
2.
3.
4.

Study this image which statement best describes the rock shown check all that apply

Which organ controls breathing? lungs alveoli heart diaphragm

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.