Which of the following statements is true?
A) Arthropods have an open circulatory system, while annelids have a closed circulatory system.
B) Vertebrates have an open circulatory system, while annelids have a closed circulatory system.
C) Vertebrates have an open circulatory system, while arthropods have a closed circulatory system.
D) Annelids have an open circulatory system, while molluscs have a closed circulatory system.
Correct Answer:
Verified
Q2: Most of the animals alive today are
A)
Q3: During the Cambrian explosion approximately 535 to
Q4: How do sponges transport nutrients within their
Q5: Which of the following statements regarding cnidarians
Q6: Which of the following animals displays radial
Q7: Which of the following are not included
Q8: In protostomes
A) the opening formed during gastrulation
Q9: A typical sponge is best described as
Q10: Which of the following are not included
Q11: Which of the following statements about deuterostomes
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