This quiz works best with JavaScript enabled.
Select an option to see the correct answer instantly.
Correct Answer: A) Radial.
Correct Answer: B) They care for their young after hatching.
Correct Answer: A) Sharks and rays.
Correct Answer: B) Mollusca.
Correct Answer: C) Shared.
Correct Answer: A) Cladogram.
Correct Answer: D) All of these.
Correct Answer: C) Multicellular, move.
Correct Answer: B) Breathing air.
Correct Answer: A) Gills.
Correct Answer: B) Protozoan.
Correct Answer: D) D Malpighian tubule.
Correct Answer: D) Speciation.
Correct Answer: D) Class.
Correct Answer: D) Radial and biradial.
Correct Answer: D) Portuguese Man-o-War.
Correct Answer: C) Jointed foot.
Correct Answer: A) Star fish.
Correct Answer: D) Budding.
Correct Answer: B) Sexual reproduction.
Correct Answer: D) All of the above.
Correct Answer: D) Keratin.
Correct Answer: B) Archaea.
Correct Answer: A) Sexually.
Correct Answer: C) Double life or both lives.