Which of the following domains is a group of simple, microscopic, bacteria-like creatures that includes methane producers and sulfur oxidizers that inhabit deep-sea vents and seeps?
A) Archaea
B) Archaeabacteria
C) Bacteria
D) Ediacaria
E) Eukarya
Question 2
Which of the following animals compensates for not having a swim bladder by using large and flat pectoral fins and an asymmetrical caudal fin to produce lift?
A) Nautilus
B) Sepia
C) Shark
D) Spirula
E) Tuna