Reptiles can be extinct.Logical formLearned from4 sentences. Some percent of species may go extinct.Logical formLearned from4 sentences. A (monk seal) can be extinct.Logical formLearned from4 sentences. A mollusk can be extinct.Logical formLearned from4 sentences. A dugong can be extinct.Logical formLearned from4 sentences. A virus can be extinct.Logical formLearned from4 sentences. Sturgeon can be extinct.Logical formLearned from4 sentences. A tradition can be extinct.Logical formLearned from4 sentences. A stock can be extinct.Logical formLearned from4 sentences. Animal can be extinct.Logical formLearned from4 sentences. (Fish species) can be extinct.Logical formLearned from4 sentences. A locust can be extinct.Logical formLearned from4 sentences. Forests can be extinct.Logical formLearned from4 sentences. Some species of mammals can be extinct.Logical formLearned from4 sentences. Marine animals can be extinct.Logical formLearned from4 sentences.