Free-living flatworms belong to the class:A
Monogena.
B. Lophotrochozoa.
C. Turbellaria.
D. Cestoda.
E. Chelicera
C
You might also like to view...
What must be true of any organ described as vestigial?
A) It must be analogous to some feature in an ancestor. B) It must be homologous to some feature in an ancestor. C) It must be both homologous and analogous to some feature in an ancestor. D) It need be neither homologous nor analogous to some feature in an ancestor.
A plant species has its DNA analyzed. The results show that 28% of its nitrogen bases are guanine. What is the percent represented by thymine?
A. 22% B. 28% C. 56% D. 23%
The Parasympathetic Nervous System is triggered to act by exposure to epinephrine
a. true b. false
Restriction enzymes specifically recognize and cut short sequences of DNA called
A) introns. B) exons. C) sticky ends. D) restriction sites.