Sensory sound sight and ecology

Question 1

4 patterns of behavior

Answer 1

reflex, fixed-action patterns, modal-action patterns, orientation

Question 2

Impermeable cuticular barrier

Answer 2

mechanical, thermal, chemical, visual

Question 3

trichogen cells grow?

Answer 3

hair

Question 4

tormogen cells grow?

Answer 4

socket

Question 5

sensory neuron

Answer 5

nerve cell grows the dendrite into the hair and axon to CNS

Question 6

sensilla forms?

Answer 6

bed of small grouped hairs (hair plate)

Question 7

stretch receptors

Answer 7

monitor body functions such as ventilation rate or gut distension

Question 8

campaniform sensilla

Answer 8

also called stress detectors/receptors

Question 9

photoreceptors

Answer 9

stemmata (lateral ocelli) and dorsal ocelli

Question 10

chordotonal organs

Answer 10

subgenual organs
tympanal organs
johnston’s organ (pedicel of each antenna)

Question 11

which organs detect vibrations?

Answer 11

subgenual organ, intermediate organ, crista acustica

Question 12

scolopidium

Answer 12

subcuticular mechanoreceptors for detecting vibrations

Question 13

tympanum

Answer 13

sound production and detection

Question 14

tymbal

Answer 14

distortion and relaxation of elastic cuticle (cicada males)

Question 15

apposition eye

Answer 15

day active, more focused, field of vie differs for each ommatidium, individual photoreceptors isolated by pigments, panoramic image

Question 16

supposition eye

Answer 16

night active, less resolution, focus light across a clear zone to a single receptor in the retina, several thousand facets to a single receptor

Question 17

how to find position of the sun

Answer 17

detecting polarized light

Question 18

semiochemicals: allelochemicals

Answer 18

between different species

Question 19

semiochemicals: kairomones

Answer 19

+ receiver, - producer

-damaged pine and bark beetle (terpenes attract beetles when damaged)

Question 20

semiochemicals: allomones

Answer 20

0 receiver, +producer

-defensive compound

Question 21

semiochemicals: synomones

Answer 21

+ receiver, + producer

-parasitoid wasp detects terpenes and attacks beetles

Question 22

semiochemicals: pheromones

Answer 22

between same species

-sex: attraction and courtship
-aggregation: crowd around source
-spacing, trail marking, alarm