Regions may support some ecosystems.Logical formLearned from2 sentences. A park may protect an ecosystem.Logical formLearned from2 sentences. Variation can be in thes of (ecosystem components).Logical formLearned from2 sentences. Thes can be constituted-of-or-filled-with (ecosystem components).Logical formLearned from2 sentences. A stranglehold can be on an ecosystem.Logical formLearned from2 sentences. Invasive species may cause harm to an ecosystem.Logical formLearned from2 sentences. Resiliency of ecosystems may decline with changes.Logical formLearned from2 sentences. Corals can be ecosystems.Logical formLearned from2 sentences. An ecosystem may encompass some percent of a (land area).Logical formLearned from2 sentences. Grasslands may harbor ecosystems.Logical formLearned from2 sentences. Subsidence may affect ecosystems.Logical formLearned from2 sentences. Fears can be over destruction of ecosystems.Logical formLearned from2 sentences. Nitrogen can be in an ecosystem.Logical formLearned from2 sentences. A factor can be in sustaining an ecosystem.Logical formLearned from2 sentences. Some marine organisms can be (ecosystem engineers).Logical formLearned from2 sentences.