All energy in an ecosystem continues to circulate within the same ecosystem, making it a closed system. True or False?

Ithink the answer is nuclear membrane

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

Ithink its because more have died recently than in the past.