True... examples: the spine helps you stay up right which would help for structure and the skull help protect the brain which would be protection
The answer is carbon dioxide.
Hope this helps!!
<span>E. chemical complexes of RNA or DNA protected by protein shell
https://quizlet.com/9713220/chapter-20-viruses-bacteria-and-archaea-flash-cards/
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<span>Parasites that live in the body are called endoparasites. An example of an endoparasite is a hookworm that lives in the hosts gut. </span>
