Class Insecta: Sensory Organs (Exam 4)

Question 1

mechanoreceptors

Answer 1

touch, pressure and vibration

Question 2

auditory receptors

Answer 2

airbourne sound, vibrations

Question 3

chemoreception

Answer 3

taste and smell-mouthparts, antennae, legs, feet (pheromones)

Question 4

pheromones

Answer 4

chemical sex attractants, alarm, territorial, food, aggregation and trail pheromones

Question 5

visual receptors

Answer 5

simple or compound eyes (thousands of ommatidia)

Question 6

Ommatidia

Answer 6

optical units

6300 in the eye of the honey bee

Question 7

temperature sensors

Answer 7

antennae and legs

Question 8

reproduction

Answer 8

sexual (male/female)

Question 9

metamorphosis

Answer 9

several life stages of development in butterflies and moths, flies, beetles, ants, bees, wasps, fleas-egg, caterpillar, maggot, grub (larval stage) cocoon/chrysalis (pupa)=adult

Question 10

instars

Answer 10

successive molts

Question 11

diapause

Answer 11

period of dormancy=eggs, larvae, pupae or adults-climatic conditions (temperature)

Question 12

cicadas

Answer 12

17 year diapause, a strategy against predation: survival en masse (predator situation)