Answer:
The answer is the sun.
Explanation:
Level a represents the producers which you can tell, by their name, that they make their food. Producers are mainly comprised of the plants of our world. They get their energy from the sun and through photosynthesis, they turn it into energy.
By the way, B would be primary consumers which are the herbivores, C are the secondary consumers which include us people, and D are the decomposers, which include worms.
the two main skeletal systems to support the tissue of the body is bone and cartilage
hopefully this will help
Answer:
Protists help break down dead material and help produce oxygen
Explanation:
I just took the quiz on k12
