Answer:
I believe the answer would be line D
Explanation:
Line D is where the line escalates the fastest, so I believe line D is where the object's speed is the fastest
It would not be plants, even though it has cell walls. They are not made of chitin. Plants are also not heterotrophic.
Fungi, however, decompose other matter, and have cell walls made of chitin. This would fit the description.
