The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
Answer:
Carbohydrates’ bad reputation ignores the benefits they can offer
sooo i would say it is B. i think....
B , because there is more than one path of energy coming from the plants but if it’s not B then it’s A because arrows that are all over the place is what makes it a web
Answer:
Trophic level
Explanation:
A trophic level is each step in a food chain that demonstrates the transfer of energy.