1.) Neurons, they transmit nerve impulses<span>. 
2.) </span>Neuroglial cells, non-conducting cells of the nervous tissue.
        
             
        
        
        
Spirogyra<span> is a genus of filamentous charophyte green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is diagnostic of the genus.
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Answer:
Hey there
1 It will make it loud for them; negitive
2 It will disturb the wildlife and natural processes; negitive 
3 It will remove plants in order to insert the road and animals will get hit by cars going on the road; negitive
4 More roads more cars more driving more pollution; negitive
5 It will make it easier for logging companies because they can hall more wood; negitive
6 Sense there is a new road it will be easier for tourist to come; negitive
 
        
             
        
        
        
<span>First determining if the cells in the tumor have common and the unique genetic and biochemical marker and if they are present, that would clearly mean that they all were created from a initially mutated cell and formed the marker and these are considered as monoclonal. If that is not the case and cells do not have a common origin, these are called as polyclonal.</span>
        
             
        
        
        
Answer:
Sponge; Radial Symmetry; Endoskeleton; Absent Appendages; Absent Segmentation
Cnidarians; Radial Symmetry; No Skeleton; Non-Jointed Appendages; Absent Segmentation
Roundworms; Radial Symmetry; No skeleton; Absent Appendages; Absent Segmentation
Annelids; Radial Symmetry; No skeleton; Absent Appendages; Present Segmentation
Mollusks; Bilateral Symmetry; Exoskeleton; Non-Jointed Appendages; Absent Segmentation
Arthropods; Bilateral Symmetry; Exoskeleton; Jointed Appendages; Present Segmentation
Echinoderms; Bilateral Symmetry; Endoskeleton; Non-Jointed Appendages; Absent Segmentation
Vertebrates; Bilateral Symmetry; Endoskeleton; Jointed Appendages; Absent Segmentation