Answer:
<h2><em><u>
A.</u></em></h2><h2><em><u>
</u></em></h2><h3><u><em>
Please leave a 5-star rating and Thanks!</em></u></h3>
D. Earthquakes, volcanoes, and hot springs release energy from Earth's interior.
Both seta and cheta or chaete means bristles. I think the term can be used interchangeably . Just check this link:- http://en.wikipedia.org/wiki/Polychaete It about polychaetes a class of annelid worms. These are extracts form the passage:- Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called *chaetae, which are made of chitin. Indeed, polychaetes are sometimes referred to as bristle worms. Bundles of bristles, called *setae, project from the parapodia. http://en.wikipedia.org/wiki/File:Polychaeta_anatomy_en.svg Thats a cross section the terms have been used interchangebly.
B- maintaining a stable internal environment.
Answer: Lysine is a polymer I believe. Hope this helps.