Chloroplasts. They are only in green plant cells, so, unless you are a green plant, humans and flatworms would not contain them.
<span>The majority of the offspring population has functioning wings.</span>
A closed system is a system that makes no physical or chemical exchanges with its environment. Of these systems provided as choices (tree, human, clock, car), only a clock does not make exchanges with the environment, except for energy.
Therefore, of that list, only a clock would be a closed system.
Hope that helped! =)
Aesthetic potentially due to the decay but also environmental
The student would be a primary consumer since they’re a herbivore.