I need help I will give the brainiest to the one who gets it right!!

What are some aquatic organisms that live in cold water temperatures?

Which organelle releases chemicals that break down large food particles into smaller ones?

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.