Discussion Topic A system is a group of parts that can be considered one unit. Storm systems,
ecosystems, and our bodies are natural systems. Cars and houses are human-made
systems.
Choose an example of a system, and analyze the energy flow through the system.
Describe in detail how energy enters the system, how energy changes form while in the
system, and how energy leaves the system.

answer is a

explanation:

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101