Author Question: Which of the following types of caudal fins is asymmetrical, with most of their mass and surface ... (Read 63 times)

s.tung · **on:** Aug 22, 2018

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

Question 2

Deep-water corals lack the ________ that their shallow-water cousins have.

A) bright coloration
B) calcium carbonate skeletons
C) large reef structures
D) stinging tentacles
E) symbiotic zooxanthellae algae