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Correct Answer: B) Sponge.
Correct Answer: D) Tentacles.
Correct Answer: D) Ostrich.
Correct Answer: B) Amphibian.
Correct Answer: A) Directional.
Correct Answer: A) Calcium.
Correct Answer: C) Leatherback.
Correct Answer: B) Cnidaria.
Correct Answer: A) Clam worms.
Correct Answer: D) Oxygen carrying capacity of haemoglobin decreases.
Correct Answer: C) Semi.
Correct Answer: A) Protista.
Correct Answer: D) Sequential hermaphroditism.
Correct Answer: C) Cell membrane.
Correct Answer: B) Having fur and feeding their young milk.
Correct Answer: A) Crown of the tooth.
Correct Answer: C) Trochopore.
Correct Answer: C) Vestigial.
Correct Answer: A) To tear meat.
Correct Answer: A) Coelenterata.
Correct Answer: C) Duck-billed platypus.
Correct Answer: B) Mollusca.
Correct Answer: C) Operculum.
Correct Answer: A) Reptiles.
Correct Answer: A) Parasitic Juveniles.