Which of the following organisms is in the same kingdom as humans (kingdom: animalia)?
a) Giant kelp
b) Blue-green algae
c) Eel grass
d) Sea urchin
e) Bacteria
Question 2
What are halite and gypsum considered?
a) Manganese nodules formed from precipitation out of the saturated water column
b) Metal sulfides associated with hydrothermal vents
c) Evaporite minerals formed from restricted open ocean circulation with high evaporation rates
d) Carbonate deposits in tropical seas