What is the major distinction scientists use to divide the animal kingdom?
A) whether the animal has a vertebral column or not
B) whether the animal has an endoskeleton or not
C) whether the animal has an exoskeleton or not
Correct Answer:
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Q1: Animals with bilateral symmetry have _, which
Q2: The most primitive vertebrates alive today are
Q3: Which of the following animals does not
Q4: The simplest animal phylum consists of which
Q5: Which of the following classes have the
Q6: The vast majority of animal species alive
Q7: The primary difference between amphibians and reptiles
Q8: How could you determine if a newly
Q9: All vertebrates are classified into the phylum
Q10: Which of the following is not a
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