To which system does the spinal cord belong?

A) urinary
B) nervous
C) integumentary
D) endocrine
E) musculoskeletal

Which of the following is characteristic of a plant exhibiting shade avoidance?

A) Stem elongation
B) More leaves
C) Higher quantity of storage products
D) More reproductive tissue
E) More branches

What contribution did British naturalist Mary Anning make to paleontology?

A) the comparison of elephant fossils and the skeletons of living elephants
B) the discovery of fossilized marine animals and other strange animals
C) the idea that rocks formed through very slow changes
D) the realization that tongue stones were actually shark teeth

Three-year old Trevor is admitted to the hospital with stenosis (narrowing) of the foramen magnum. This condition directly affects which of these structures?

A) Optic nerve
B) Carotid arteries
C) Internal jugular veins
D) Facial and vestibulocochlear nerves
E) Spinal cord

The life cycle of animals

A) demonstrates alternation of generations, where the zygote is haploid and the adult is diploid.
B) does not demonstrate alternation of generations. Both the zygote and the adult are haploid.
C) demonstrates alternation of generations, where the zygote is diploid and the adult is haploid.
D) does not demonstrate alternation of generations because only the spores are haploid.
E) does not demonstrate alternation of generations; gametes are haploid and the organism is diploid.

Temperature extremes, lack of water, and other environmental stresses trigger an increase in which hormone?

A) gibberellin
B) auxin
C) abscisic acid
D) ethylene
E) cytokinin