Answer:
Conservation efforts have had a positive impact on ecosystems that have been previously harmed due to human activity. Conservation efforts have helped preserve and even restore habitats that had been damaged or threatened by human activity. They have also helped protect endangered species.
A chromoplast is usually a yellow or orange pigment, chloroplast contains chlorophyll and houses photosynthesis.
No I don't think so because why would would that place even be a secondary succesion