A. head with mandible, maxilla, labium, and labrum B. gut with crop, gizzard, and rectum only C. cuticle with wax, chitin, and epidermis D. legs with coxa, trochanter, femur, tibia, and tarsus
Correct Answer: D. legs with coxa, trochanter, femur, tibia, and tarsus
A. chemical hardening of abdominal plates B. shedding of old cuticle C. fusion of head segments during development D. joining forewings and hindwings to work together
Correct Answer: D. joining forewings and hindwings to work together
A. genitalia are used only for respiration B. external genital structures often help separate closely related species C. genitalia replace antennae in adults D. all insects have identical genitalia
Correct Answer: B. external genital structures often help separate closely related species
A. cuticle with wax, chitin, and epidermis B. gut with crop, gizzard, and rectum only C. head with mandible, maxilla, labium, and labrum D. legs with coxa, trochanter, femur, tibia, and tarsus
Correct Answer: D. legs with coxa, trochanter, femur, tibia, and tarsus
A. joining forewings and hindwings to work together B. fusion of head segments during development C. shedding of old cuticle D. chemical hardening of abdominal plates
Correct Answer: A. joining forewings and hindwings to work together
A. all insects have identical genitalia B. genitalia are used only for respiration C. external genital structures often help separate closely related species D. genitalia replace antennae in adults
Correct Answer: C. external genital structures often help separate closely related species
A. legs with coxa, trochanter, femur, tibia, and tarsus B. cuticle with wax, chitin, and epidermis C. head with mandible, maxilla, labium, and labrum D. gut with crop, gizzard, and rectum only
Correct Answer: A. legs with coxa, trochanter, femur, tibia, and tarsus
A. chemical hardening of abdominal plates B. shedding of old cuticle C. joining forewings and hindwings to work together D. fusion of head segments during development
Correct Answer: C. joining forewings and hindwings to work together