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Correct Answer: B) Anthozoan.
Correct Answer: D) Circulatory.
Correct Answer: B) Medusa.
Correct Answer: D) C 2, 2.
Correct Answer: B) Osteophagers.
Correct Answer: D) 1.5 billion years ago.
Correct Answer: C) The use of echoes to navigate or located prey.
Correct Answer: D) 6.
Correct Answer: B) Primatology.
Correct Answer: A) Penguin.
Correct Answer: B) Radial.
Correct Answer: B) Oligochaeta.
Correct Answer: C) Mammal, Fish, Reptile, Amphibian, and Bird.
Correct Answer: C) Linnaeus.
Correct Answer: A) Parabasalia.
Correct Answer: B) The process in which arthropods shed their outer covering and grow a larger one.
Correct Answer: C) Sook.
Correct Answer: C) Absence of teeth.
Correct Answer: A) Specialized cells.
Correct Answer: C) Placenta.
Correct Answer: D) Gills.
Correct Answer: C) Culture fishery.
Correct Answer: B) Hollow ball of cells.
Correct Answer: A) Clitellum.
Correct Answer: A) Marine/salt water.