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Correct Answer: B) Co2 and other gases.
Correct Answer: C) Marine biology.
Correct Answer: C) Mammalia.
Correct Answer: C) C sinus verosus.
Correct Answer: D) All of these.
Correct Answer: A) Chordata.
Correct Answer: B) Liquid food.
Correct Answer: D) Calcium carbonate.
Correct Answer: C) Both of these.
Correct Answer: D) Trachea.
Correct Answer: A) Nearly identical species that differ genetically.
Correct Answer: C) Hierarchy.
Correct Answer: A) Egg, larva, pupa, adult.
Correct Answer: B) Multi-cellular, Eukaryotic, Heterotrophs.
Correct Answer: D) Starfish.
Correct Answer: C) Man.
Correct Answer: C) Lepidoptery.
Correct Answer: D) Ascon.
Correct Answer: D) One, a generic and another specific name.
Correct Answer: D) Vertebrate.
Correct Answer: B) Epidermis.
Correct Answer: B) C mammal in female.
Correct Answer: B) Its ability to combine reversibly with oxygen.
Correct Answer: B) Butterfly.
Correct Answer: B) Arthropoda.