Multiple Choice
Why do adult urochordates (tunicates) lack notochords, even though larval urochordates have them? Larvae use notochords to ________.
A) aid in swimming; adults are sessile and thus no longer propel themselves
B) stiffen their bodies; in adults, the notochord is replaced by a column of bone
C) induce tissue differentiation; in adults, tissue is already differentiated
D) organise their nervous systems; adults' nervous systems are fully developed and do not change
Correct Answer:
Verified
Correct Answer:
Verified
Q4: A team of researchers has developed a
Q6: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6149/.jpg" alt=" Fishes that have
Q8: Which of these might have been observed
Q9: Primate evolution and behaviour, such as hunting
Q18: During chordate evolution, what is the sequence
Q26: Which structure of the amniotic egg most
Q45: Unlike eutherians, both monotremes and marsupials _.<br>A)
Q48: Marsupials survived in Australia (as opposed to
Q61: Use the following information to answer the
Q64: Ancient fossils that seem to be an