Answer:
Explanation:
I think it is: acetylcholine (neurotransmitter) - motor neuron - contract
second question: diffusion because of opening of ca2+ channels
Nucleus
the answer will be
measure the growth of plant that did not recieve fertilizer
perform additional trials
i just took the test and got the answer right
Phytoplankton
Insect's antennae is most similar to the <u>nose</u>
They are used for the sense of smell.
