Multiple Choice
The excretory system of an enteropneust hemichordate (or acorn worm) consists of
A) a glomerulus or network of blood vessels that surround the sinus and buccal diverticulum.
B) a rich supply of blood vessels in the gill slits.
C) a network of flame cells at the periphery.
D) a simple metanephridium that empties into the cloaca.
E) a network of vessels under the epidermis.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The Class Enteropneusta are also known as
Q3: On the inner end of each tube
Q4: Hemichordates show relationships to<br>A)arrow-worms.<br>B)arthropods and annelids.<br>C)molluscs and
Q5: If you went to the ocean and
Q6: Hemichordates live<br>A)in the open ocean with a
Q7: The early embryology of hemichordates is much
Q8: Which is NOT a correct association of
Q9: Echinoderm evolution is controversial but most zoologists
Q10: If you examined a biology class chart
Q11: The larvae of echinoderms have _ symmetry.