Male Mormon crickets choose larger females as their mates. Which of the following statements best interprets the graph? 
A. Larger females lay more eggs.
B. Larger females live longer and thus produce more eggs.
C. Larger females reproduce earlier than smaller females.
D. Larger females defend themselves better.
E. Larger females are capable of storing sperm.
Answer: A
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Which statement is true regarding kidney stones?
a. A high carbohydrate diet decreases the risk for their formation. b. A high carbohydrate diet increases the risk for their formation. c. A high protein diet increases the risk for their formation. d. A high protein diet decreases the risk for their formation e. A low protein and low fat diet increases the risk for their formation.
Grinding of food is a function of the
a. incisors. b. canines. c. premolars. d. molars. e. molars and premolars
What is the cardiac cycle?
A) The movement of blood from the heart to the lungs and then back to the heart B) The movement of blood from systemic to pulmonary circulation C) The passage of electrical impulses from the AV node to the SN node to heart muscle D) The alternating relaxation and contraction of the heart chambers
If one is attempting to determine the influence of genes or the environment on phenotypic variation, inbred strains with individuals of a relatively homogeneous or constant genetic background are often used. Variation observed between different inbred
strains reared in a constant or homogeneous environment would likely be caused by genetic factors. What would be the source of variation observed among members of the same inbred strain reared under various environmental conditions? What will be an ideal response?