Multiple Choice
The injectable pain-killing drug called Prialt is an improvement over morphine-type drugs because it ____.
A) can easily be extracted from cone snails
B) is less expensive to produce than morphine
C) also removes the memory of pain from the affected person
D) is not addictive
E) is from invertebrates
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Four of the five answers listed below
Q9: Which are deuterostomes?<br>A)annelids<br>B)echinoderms<br>C)arthropods<br>D)mollusks<br>E)flatworms
Q10: A typical sponge is _ because it
Q11: Cnidarians have an outer layer derived from
Q12: Which annelid subgroup has many chitin-reinforced bristles
Q14: Match the description to the correct mollusk
Q15: Which characteristics best describe earthworms?<br>A)polychaete; fluid filled
Q16: Nematocysts in cnidarians are _.<br>A)reproductive cells<br>B)excretory organs<br>C)sets
Q17: Four of the five answers are features
Q18: Match the description to the correct mollusk