Which of the following types of caudal fins is asymmetrical, with most of their mass and surface area in the upper lobe?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
B
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A population of birds is found on a remote island. Which of the following information is most important in deciding if the birds all belong to a single species?
A) Whether the matings produce viable eggs or offspring of some matings are sterile B) Whether they share many physical characteristics C) Whether they mate with one another D) Whether the males all sing similar songs
What caused the Suez Crisis and the Arab-Israeli War of 1956, and how was it resolved?
If you fall into a crevasse, what is the maximum depth you are likely to fall?
A) 50 meters B) 100 meters C) 25 meters D) 10 meters
The Deutschemark is the currency of the European Monetary Union
Indicate whether the statement is true or false