The letter "B" from above represents which of
the following?
a. nucleus of the flame cell
b. small capillaries which allow water to
freely diffuse into the planarian
c. sexual reproductive organ of the planarian
d. cilia which flick to draw fluid into the
planarian
e. none of these
D
You might also like to view...
Which type of plant can utilize the Calvin cycle?
A. C3 plants B. CAM plants C. C4 plants D. C3, C4, and CAM plants
Phenotypic similarity that evolved independently in different lineages is called ____
a. cladogenesis b. anagenesis c. embryogenesis d. homology e. homoplasy
Using hair as the derived trait, four of the following organisms fit in the clade. Which one does not fit?
a. whale b. crocodile c. wolf d. elephant e. tiger
What is the role of tight junctions in the transport of glucose across the intestinal epithelium?
a. They open and allow glucose to pass between the epithelial cells. b. They keep the Na+-K+ pumps in the apical membrane only. c. They keep the Na+-glucose cotransporter in the apical membrane and the glucose-facilitated transporter in the basolateral membrane. d. They keep the glucose-facilitated transporter in the apical membrane and the Na+-glucose cotransporter in the basolateral membrane.