1. The majority of chordates are Group of answer choices a. fish b….

Question Answered step-by-step 1. The majority of chordates are Group of answer choices a. fish b…. 1. The majority of chordates areGroup of answer choicesa. fishb. reptilesc. amphibiansd. birds 2. This class undergoes metamorphosis and has glandular skina. Reptiliab. Mammaliac. Amphibiad. Osteichthyes 3. This class has a four-chambered heart and hollow bonesGroup of answer choicesa. Mammaliab. Reptiliac. Chondrichthyesd. Aves 4. Which of the following is NOT true?Group of answer choicesa. all chordates have myotomesb. all chordates have an open circulatory systemc. all chordates have a post anal taild. all chordates have segmented bodies 5. Which of the following is NOT a distinguishing characteristic of chordata?Group of answer choicesa. a notochordb. a dorsal tubular hollow nerve cordc. pharyngeal gill slitsd. endoskeletons 6. This subphylum contains sea squirtsGroup of answer choicesa. Urochordatab. Cephalochordatac. Vertebrata 7. This class has a skeleton of cartilage and exposed gill slitsGroup of answer choicesa. Osteichthyesb. Amphibiac. Avesd. Chondrichthyes 8. Which of the following is NOT true of the notochord?Group of answer choicesa. it is made of cartilageb. it always forms into vertebrae in chordatesc. it establishes the anterior and posterior ends of the animald. it directs the formation of the nervous system and the nerve cord 9.  when do humans have pharyngeal gill slits and post anal tailsGroup of answer choicesa. when they get older (greater than age 70)b. when they are first born (they disappear within 1 week of birth)c. when they are an embryo in the uterusd. they do not have these characteristics as they are not fish or monkeys 10.  How are the nerve cords of chordates different from the nerve cords of annelids?Group of answer choicesa. they are hollowb. they are located dorsallyc. they extend from the braind. both a and b             Science Biology BIO 106 Share QuestionEmailCopy link Comments (0)