I believe it is DNA and RNA but don't quote me on it
The circulatory system is in charge of pumping blood and nutrients throughout the body.
An example of positive would be, "Good job - but maybe you need to fix ____."
The mitochondria are like the energy factories of each cell. Their job is to store and make energy, so when you remove them, the cell is unable to:
B. making energy.
<span>Presence of oxygen means that the organisms are not anaerobic so the answer is D. algae. Eukaryotic and prokaryotic cells can be anaerobic meaning that they live in circumstances where there's no oxygen. Algae were the first that required oxygen to thrive. Cyanobacteria are like other bacteria parts of the prokaryotic cell type.</span>
