Filter-feeding is used by
a. sea squirts.
b. clams.
c. sponges.
d. lancelets.
e. all of these.
Answer: e
You might also like to view...
Symptoms of cryptosporidiosis include
A. chills, fever, and sweats. B. bloody, mucus-filled stools and fever. C. a red skin papule that spreads to a large ulcer. D. headache, sweats, vomiting, severe abdominal cramps, and diarrhea.
Where is the nucleus of a neuron found?
A. Cell body B. Myelin sheath C. Axon branches D. Dendrites E. Companion cell
Which of the following reactions is a hydrolysis reaction?
A. A + B + H2O ? C B. A + B ? C + H2O C. A + H2O ? B + C D. A ? B + C+ H2O
Select the option that best completes the following statement: Nonhomologous endjoining is a process by which a double-stranded DNA end is joined ___________________
(a) to a similar stretch of sequence on the complementary chromosome. (b) after repairing any mismatches. (c) to the nearest available double-stranded DNA end. (d) after filling in any lost nucleotides, helping to maintain the integrity of the DNA sequence.