What is the common name of the group whose members are characterized by endoskeleton and a unique water vascular system? A. tunicates B. medusas C. echinodermes D. brachiopods Plz Help .-.
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According to the College Board, yes, you can take an AP test without taking an AP class. But if you decide to take an exam without taking a class, you might want to check out the College Board website for information about how the test is structured and what it tests. Our AP prep books will be very helpful if you donât plan to take the corresponding AP class. The teachers in charge of AP classes have access to information about how the test is structured and what the exam tests. They are able to build the course around what will be tested and utilize course tests as AP test prep.