An ecosystem can be coastal.Logical formLearned from240 sentences. An ecosystem can be rich.Logical formLearned from192 sentences. An ecosystem may pertain-to a river.Logical formLearned from190 sentences. Ecosystems can be productive.Logical formLearned from189 sentences. Ecosystems may pertain-to a us-state.Logical formLearned from187 sentences. Part may pertain-to an ecosystem.Logical formLearned from181 sentences. Ecosystems can be delicate.Logical formLearned from179 sentences. Variety can be constituted-of-or-filled-with ecosystems.Logical formLearned from173 sentences. Ecosystems may pertain-to a country.Logical formLearned from167 sentences. Ecosystems may undergo protection.Logical formLearned from165 sentences. Ecosystems may undergo conservation.Logical formLearned from162 sentences. Ecosystems may undergo destruction.Logical formLearned from156 sentences. Ecosystems can be threatened.Logical formLearned from155 sentences. Ecosystems may pertain-to the earth.Logical formLearned from151 sentences. Ecosystems can be endangered.Logical formLearned from150 sentences.