The mucous sheet produced by the endostyle traps the microscopic food particles in the water. This sheet is located in the pharynx of what animal?
A. lancelet
B. crinoid
C. arrow worm
D. acorn worm
E. tunicate
Answer: E
You might also like to view...
Hemorrhagic and nonhemorrhagic fever diseases have a common feature of a high fever. These categories of diseases are distinguished by
A. the pattern of the fever, whether it is constant or varies with time. B. the viral load in the blood, specifically the viral titer. C. viral causes in hemorrhagic fevers and bacterial or protozoan causes in nonhemorrhagic fevers. D. the overall mortality rate, as hemorrhagic fevers have a much higher mortality rate. E. the integrity of the capillary endothelium and its ability to contain the blood.
Homo erectus has been shown to have dispersed from
A. Africa. B. Asia. C. South America. D. Europe. E. North America.
Methylation of histone proteins promotes _____
a. transcription b. translation c. binding of transcription factors d. condensation of DNA e. differentiation
Which nondisjunction disorder must be due to an event in sperm development: XO, XXX, XXY or XYY? What will be an ideal response?