Mollusks have all of the following EXCEPT
A. larvae.
B. foot.
C. mantle.
D. tube feet.
D. tube feet.
You might also like to view...
Which of the following statements about RNA processing in eukaryotes is INCORRECT?
A. Introns are simply excised out of pre-mRNA to produce the mature mRNA. B. A complex composed entirely of proteins is used to remove introns from the pre-mRNA. C. A poly A tail is added on to the 3? end of the mRNA. D. A 7-methylguanosine cap is added on to the 5? end of the mRNA. E. Processing occurs in the nucleus.
Crossing over in prophase I and ________ in metaphase I increase the genetic variation from one generation to another
Fill in the blank(s) with correct word
Nitially, organisms were classified into only two kingdoms (by Darwin & Haeckel). The individual who developed the five-kingdom system, which is considered traditional today was
A) Carl Woese. B) Louis Pasteur. C) Stephen Hawking. D) Robert Whittaker.
A typical sponge is best described as a
A) slow-moving suspension feeder with a true coelom. B) sessile suspension feeder with bilateral symmetry. C) slow-moving carnivore with no true tissues or symmetry. D) sessile suspension feeder with no true tissues or body symmetry.