The answer is C) evidence of exoskeletons and endoskeletons
<span>Arthropods and Tetrapod </span> have an endoskeleton and exoskeleton. Endoskeleton is <span>a skeleton found within the interior of the body </span>while exoskeleton is the external skeleton that supports and protects an animal's body like the outer shell that protects them from predators.
Well i know you need carbon nitrogen and oxygen but there might be more
Jayden, you didn’t put the diagram so we can’t help. 。゚(゚´Д`゚)゚。
Viruses is like *cough cough* Ebola *cough cough* And the characteristics is welllllll it spreads