Examlex
Enteropneusta and Pterobranchia are classes of animals within the phylum Hemichordata.All of the following are features relating to reproduction in members of the Hemichordata.Three features listed are either common to members of both classes or occur only in Enteropneusta.Select the one feature that occurs only in Pterobranchia.
Customs Service
A government agency responsible for regulating the importation and exportation of goods, including the collection of tariffs and the enforcement of trade laws.
Imported Vitamin
A nutrient or supplement that is produced abroad and brought into a country for consumption.
Duty
A moral or legal obligation; in legal terms, it often refers to the responsibility one party has to act in a certain way toward others.
Federal Register
The official journal of the federal government of the United States, where government agencies publish notices, rules, and regulations.
Q1: The functional units of human lungs are
Q1: Chitons belong to the molluscan class<br>A)Monoplacophora.<br>B)Scaphopoda.<br>C)Polyplacophora.<br>D)Cephalopoda.<br>E)Bivalvia.
Q20: The nematodes are commonly known as<br>A)flatworms.<br>B)segmented worms.<br>C)roundworms.<br>D)beard
Q21: Which of the following animals utilizes echolocation?<br>A)bats<br>B)whales<br>C)some
Q32: In bony fishes,growth lines in the scales
Q37: An economically important disease of poultry is<br>A)trypanosomiasis.<br>B)pebrine.<br>C)foul
Q39: The haploid mictic eggs of some rotifers,if
Q41: The anterior region of the digestive tract
Q52: The major secretory and absorptive structures of
Q62: The nervous system of enteropneusts is _