Natural habitats can be fragile.Logical formLearned from4 sentences. Habitats may include salt.Logical formLearned from4 sentences. Habitat can be active.Logical formLearned from4 sentences. Habitats can be self-sustaining.Logical formLearned from4 sentences. Habitat may pertain-to an owl.Logical formLearned from4 sentences. Habitat can be for (plant species).Logical formLearned from4 sentences. Presence can be in a habitat.Logical formLearned from4 sentences. A habitat may open.Logical formLearned from4 sentences. A wilderness can be a habitat.Logical formLearned from4 sentences. Intertidal habitat may undergo a loss.Logical formLearned from4 sentences. A habitat can be swamps.Logical formLearned from4 sentences. Habitats can be constituted-of-or-filled-with significance.Logical formLearned from4 sentences. A river may provide a habitat.Logical formLearned from4 sentences. A habitat can be for some species of migratory birds.Logical formLearned from4 sentences. Some degree can be constituted-of-or-filled-with (habitat modification).Logical formLearned from4 sentences.