Males of many moth species have very large and elaborate antennae. These large antennae
A. enhance sensitivity for finding rotting food.
B. enhance sensitivity for finding flowers in bloom.
C. enhance sensitivity to sexual pheromones from females.
D. enhance sensitivity to compounds emitted by other males that are important in sexual competition.
E. serve an important aerodynamic function during flight.
C. enhance sensitivity to sexual pheromones from females.
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Pathogenic bacteria that contain S-layers are protected against host defense mechanisms
Indicate whether the statement is true or false.
Answer the question using the accompanying figure. The letter “A” represents ____
a. rapid growth b. negative growth c. prereproductive populations d. postreproductive populations e. zero growth
A genetically directed deviation from the average is called
a. an abnormality. b. a disorder. c. a syndrome. d. a carrier. e. a pedigree.
The anterior pituitary hormone ________ stimulates the breasts to produce milk.
Fill in the blank(s) with the appropriate word(s).