The tunic of tunicates is composed of proteins,various salts,and
A) glycoprotein.
B) sclerotin.
C) glycogen.
D) cellulose.
E) chitin.
Correct Answer:
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Q5: The endostyle of invertebrate chordates may have
Q6: Members of the subphylum Cephalochordata are called
A)lancelets.
B)tunicates.
C)ammocoetes.
D)salps.
E)dolioids.
Q7: Terrestrial vertebrates made their appearance approximately 400
Q8: In the vertebrates,the notochord
A)is present dorsal to
Q9: Unlike the classic ascidian sea squirts,some urochordates,such
Q11: These animals are commonly used in introductory
Q12: _ cells in the circulatory system of
Q13: Which of the following animals is not
Q14: Increased larval motility is often adaptive for
Q15: The unattached end of adult urochordates contains
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