Answer: It is the oldest living animal species that has more than one organ. It has no brain. It has no central nervous system. It has no spinal column or bones of any sort.
Explanation:
1,4,6,?,11,14,16
the difference is going
3,2,?,?,3,2
therefore it should be
Makes it sound shorter because imagine saying it like plaint. Which is better plant or plaint
<span>Site ends in ".edu"
</span>An attribute of a website that will indicate a more reliable source of information is when the site ends in ".edu". It is a top level domain for education. It would mean that this particular site is linked with universities, colleges or other educational sites thus it gives more information that are real and factual.