<span>The question says, vertebrates have notochord during early embryonic development. The statement is true. A notochord is a cartilaginous skeletal rod which support the body in all embryonic and some chordate animals. It has essential role in vertebrate development. It is a primitive beginning of the spinal cord.</span><span />
<h2>
Answer:</h2><h2><em><u>Option</u></em><em><u> </u></em><em><u>B</u></em><em><u> </u></em></h2><h2><em><u>I</u></em><em><u> </u></em><em><u>think</u></em></h2>
<em>Zero Waste: The conservation of all resources by means of responsible production, consumption, reuse, and recovery of products, packaging, and materials without burning and with no discharges to land, water, or air that threaten the environment or human health.”</em>
Horsehair worms 1 or more
Nematodes 1 or more
Acanthocephala 2 or more
Annelids Leeches
<h2>
¡Hola Emma!</h2>
Answer:
¡<u>Si</u>!
Explanation:
El peróxido de hidrógeno es inestable y se descompone lentamente en presencia de luz.
<h3>¡Adiós, que tengas un buen día!</h3>
Answer:
The correct answer is A, as the statement is true. The enzyme catchol-o-methyl transferase (COMT) in the nervous system is important in the degradation of catecholamines by neuroglia cells.
Explanation:
Catechol-O-methyltransferase, abbreviated as COMT, is one of several enzymes in the body involved in the degradation of catecholamines such as dopamine, norepinephrine and adrenaline. The enzyme works by transferring a methyl group to the signal substance from the SAM donor group (S-adenosylmethionine).