Why do fish need to eat other organisms? O A. to get energy
O B. to get oxygen
O c. to remove wastes
O D. to escape predators

The correct answer is A. To get energy.

They eat other organisms because they need food, and food is considered energy because it allows the fish to function more efficiently.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

cell regulation is conducted by special proteins.