Answer:
by their mode of locomotion
Explanation:
I'm not too sure but.. :)
They bloom from top to bottom
The neurons are connected, with a tiny gap between them called the
synapse, by dendrites. Neurotransmitters are chemical compounds that
carry signals across the synapse.
If the substances preform the same in a variety of test, the they are the same. This is because they should always be tested in multiple categorys to see if they are the same or at least alike.