Answer:
B
Explanation:
The Krebs cycle fuels the production of ATP, aka energy. Hope I helped :)
I believe the last option is the correct one for the illustration of the single celled organism provides and the environment that it is found living in.
Acidophiles is the correct
<span>an animal whose mouth develops from a second opening in the early embryo, opposite to the initial opening blastopore of the rudimentary gut. Chordates and echinoderms are deuterostomes.</span>
