I’m pretty sure it’s water, oxygen, and food. beacuse food provided both nutrients and an energy source.
lolololololololololololololololololololololololololololololololololol!!
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
We administered 300 mg of clindamycin intravenously at 12-h intervals for 2 days to patients with acute and chronic hepatitis, cirrhosis, and controls to determine whether clindamycin will exacerbate preexisting hepatic dysfunction or whether drug excretion will be delayed in patients with liver disease
The answer is C) one pathway of feeding in an ecosystem :)))
