Answer: Notochord,Nerve cord, pharyngeal gills
Explanation:
1.Presence of notochord that gives them skeletal support this also develops into between Column in vetertebrates.
2.presence of dorsal hollow nerve cord that develops into the brain and spinal cord which is the nervous system. develops into the central nervous system
3.presence of pharyngeal slit that develops into gills in some aquatic organism and its develops into jaw in some mammals. The gills is use for removal of water that enters the mouth while feeding.
It is kind of difficult for me even, but I know that neutral objects<span> have an even amount of opposite </span>charges<span>. When </span>brought near a charged object<span> the </span>neutral's<span> protons will lean toward excess electrons on the </span>charged<span> one. A positively </span>charged object<span> will attract the neutrals electrons to move toward it. I hope that kind of helped. Sorry if I couldn't give a direct answer! Its kind of hard for me too and I'm an A+ student in bio</span>
Answer:
I say the correct answer is the 3rd one.
Explanation:
Answer is number 3
Not always, the toxins may have been absorbed by the body and released in urine
Research suggests schizophrenia may be caused by a change in the level of 2 neurotransmitters: dopamine and serotonin. Some studies indicate an imbalance between the 2 may be the basis of the problem. Others have found a change in the body's sensitivity to the neurotransmitters is part of the cause of schizophrenia.
