(Population pressures) may wipe_out ecosystems.Logical formLearned from6 sentences. An ecosystem may pertain-to a coast.Logical formLearned from6 sentences. Trade-offs can be among (ecosystem services).Logical formLearned from6 sentences. A tropical marine ecosystem can be rich.Logical formLearned from6 sentences. Ecosystems may support some life.Logical formLearned from6 sentences. Ecosystems can be varying.Logical formLearned from6 sentences. An ecosystem may pertain-to a community.Logical formLearned from6 sentences. An ecosystem may crash.Logical formLearned from5 sentences. A potential threat can be to an ecosystem.Logical formLearned from5 sentences. (Ecosystem services) may undergo a use.Logical formLearned from5 sentences. An ecosystem can be well-preserved.Logical formLearned from5 sentences. An ecosystem may pertain-to a city.Logical formLearned from5 sentences. Ecosystems can be different.Logical formLearned from5 sentences. An ecosystem may teem with life.Logical formLearned from5 sentences. An ecosystem can be constituted-of-or-filled-with species.Logical formLearned from5 sentences.