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Lecture 4 - morphology Exam Questions with correct Answers latest 2024/2025( A+ GRADED 100% VERIFIED).

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Lecture 4 - morphology Exam Questions with correct Answers latest 2024/2025( A+ GRADED 100% VERIFIED).

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Lecture 4 - morphology
insects have ___ which means the right and left are ___ images - ANS bilateral symmetry,
mirror

the three distinct regions (head, thorax abdomen) are called? - ANS tagma (all have 3 tagma)

dorsal - ANS back of the insect

ventral - ANS front/underside of the insect

pleural - ANS sides of the insect

color interference - ANS light scattering through reflection of a certain area to show different
colors

pigments - ANS eating foods that are similar colors

seta (setae) - ANS hollow bristles that look like hairs. used for sensory reception, defense,
locomotion/propulsion, camouflage, display

How do insects use colors/markings? - ANS mate recognition, camouflage, warning colors,
startle markings, thermal regulation

What is Batesian mimicry? - ANS a harmless species mimics a harmful one

What is mullerian mimicry? - ANS when two species are dangerous and they look similar to
reinforce the effects of each other

startle markings - ANS used to confuse or startle predators

ocelli - ANS simple eyes that detect differences in light intensity

compound eyes - ANS large, bulbous, made up of many facets

Four main parts of mouth - ANS Labrum(upper lip), mandibles (jaws), maxilla (sensory/feelers),
labium (lower lip)

chewing mouthparts - ANS looks like claws. ants, grasshoppers, beetles.

piercing/sucking mouthparts - ANS feed on liquids. mosquito, cicada, assassin bug

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