Which of the following types of caudal fins is found in sharks?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
Question 2
Which of the following chemical pollutants can cause harmful algal blooms?
A) Caffeine
B) Methyl mercury
C) Fertilizer
D) Polycyclic aromatic hydrocarbons
E) Prescription drugs