Four of the following statements about fossils found on the island of Flores are true. Which one is the exception?
A. They are shorter than modern humans.
B. They have very small brains.
C. They are 200,000 years old.
D. They have a heavy brow ridge.
E. They have been described to be like “hobbits.”
Answer: C
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. Language and abstract thought are possible due
to
a. the cerebellum. b. the pons. c. the cerebral cortex. d. the medulla oblongata. e. the midbrain
The letter D indicates the ____
a. first trophic level b. second trophic level c. third trophic level d. fourth trophic level e. fifth trophic level
Chemical signals that convey information among members of a species are known as
A. hormones. B. pheromones. C. acoustical signals. D. threat signals. E. auditory signal.
If the wild type DNA sequence reads THE CAT ATE THE BIG RAT, what type of mutation would change the sequence to THE CAT ATE THE BAG RAT?
A) Silent B) Deletion C) Nonsense D) Insertion E) Missense