Which of the following laryngeal cartilages are paired?
(1) Epiglottis
(2) Thyroid cartilage
(3) Corniculate cartilage
(4) Arytenoid cartilage
(5) Cuneiform cartilage
(6) Cricoid cartilage

A) 1, 2, 6
B) 3, 5, 6
C) 2, 4, 5
D) 3, 4, 5
E) 2, 3, 4

The three semicircular canals of the vertebrate organs of equilibrium are ____ to each other.

A) oriented at right angles
B) parallel
C) oriented at 45 degree angles
D) oblique
E) bound

Which vascular tissue in both gymnosperms and flowering plants is for conducting water and dissolved minerals?

A) Ovules
B) Phyla
C) Phloem
D) Xylem
E) Integuments

All carbohydrate molecules

A) contain amino acids.
B) contain nitrogen and phosphate.
C) are organic acids.
D) are composed of atoms of C, H, and the functional group -OH.
E) are composed of atoms of C, H, O, and N.

Many organisms have different reproductive strategies. Which of the following most accurately reflects altruistic behavior?

A) Courtship rituals
B) Dominance hierarchy
C) Optimal foraging strategies
D) Adult care of related offspring
E) Territoriality

The surfaces of ribs that articulate with vertebrae are called

A) processes.
B) notches.
C) tubercles.
D) angles.
E) facets.

Plant vascular tissue contains

A) collenchyma and lignin.
B) xylem and phloem.
C) epidermis and cuticle.
D) periderm and cork.
E) parenchyma and sclerenchyma cells.

Industrial unions challenged the power of craft unions at a time when craft unions were struggling with jurisdictional fights and problems coordinating the efforts of various local unions.