Answer:
They fight against infections and disease.
Explanation:
I would say energy myself, and this is because energy plays a key role in all of these. With trophic levels energy is being transferred amongst the levels. Food chain's is a map of how the energy is passed along the chain. Food web is a web of how energy is transferred, and this is why I would say energy is a keyword.
Enzymes are biological catalysts. Catalysts work by lowering the amount of energy required to set off a chemical reaction.
Hi!
The answer is C. The Sun
The energy that producers get from the sun, along with water, allows them to begin photosynthesis, the process in which they make their food, because they are not able to absorb other forms of energy because they are plants.
I hope this helps!!
B. a film of food wrap wait, hold on, don't out that I'd it's an online thing, lemme check something, yeah forget about this answer, I'm not 100% sure
