An ecosystem can be dynamic.Logical formLearned from64 sentences. An ecosystem may pertain-to an island.Logical formLearned from63 sentences. An ecosystem can be given.Logical formLearned from61 sentences. An ecosystem can be productive.Logical formLearned from60 sentences. An ecosystem can be sustainable.Logical formLearned from60 sentences. Ecosystems may work.Logical formLearned from59 sentences. (Greenhouse gases) may threaten survival of some ecosystems.Logical formLearned from59 sentences. An ecosystem can be rare.Logical formLearned from58 sentences. An impact can be on ecosystems.Logical formLearned from58 sentences. An ecosystem can be endangered.Logical formLearned from58 sentences. A state may pertain-to ecosystems.Logical formLearned from57 sentences. An ecosystem can be stable.Logical formLearned from56 sentences. An ecosystem can be constituted-of-or-filled-with partners.Logical formLearned from56 sentences. Components may pertain-to an ecosystem.Logical formLearned from56 sentences. An ecosystem can be self-sustaining.Logical formLearned from55 sentences.