Quiz 2

Question 1

encephalization of arthropods

Answer 1

• head increases in size (encephalization)
• segmented & specialized sensory
• CNS and PNS control movement

Question 2

encephalization of crustaceans

Answer 2

• anterior ganglia and sub-esophageal gangia (specialized mouthparts) make up the brain
• CNS and PNS of motor control

Question 3

What controls input from the eyes in insects

Answer 3

Protocerebrum

Question 4

What controls input from the anntenae in insects

Answer 4

Deuterocerebrum

Question 5

What controls input from the gut to head in insects

Answer 5

tritocerebrum

Question 6

What 2 structures are like the pituitary in vertebrates (insects)?

Answer 6

corpus allatum and carcadium

Question 7

What are like the hypothalamus?

Answer 7

neurosecretory cells in the ganglia

Question 8

Where are higher order processes in insects? (flies)

Answer 8

Mushroom bodies

Question 9

buccal (in Mollusks)

Answer 9

output to mouth

Question 10

cerebral (Mollusks)

Answer 10

output to eyes; feelers

Question 11

pleural and pedal (Mollusks)

Answer 11

output to feet

Question 12

abdominal ganglion output to where? (Mollusks)

Answer 12

visceral organs

Question 13

sense organs (Mollusks)

Answer 13

eyes, chemoreceptors, mechanoreceptors

Question 14

octopus

Answer 14

• largest and most complex brain among all invertebrates
• great deal of growth an fusion of ganglia form a true brain

Question 15

what 3 things do all chordates have?

Answer 15

• postanal tail
• notochord
• dorsal hollow nerve chord

Question 16

hierarchial organization

Answer 16

increased importance of cephalic regions controlling other regions

Question 17

ganglia in the head

Answer 17

initiation of action and overall integration of sensory and motor info in behavioral response

Question 18

segmental ganglia

Answer 18

control local body segment actions and integrate these local actions with other segments

Question 19

hindbrain function

Answer 19

autonomic body functions

Question 20

midbrain function

Answer 20

motor coordination centers, sensory info processing

Question 21

forebrain

Answer 21

integrates all sensory info and sends to other parts of the CNS

Question 22

telencephalon evolves in close association to what?

Answer 22

olfaction

Question 23

diencephalon does what?

Answer 23

• relays info between cerebrum and rest of the brain
• controls pituitary gland

Question 24

cerebellum

Answer 24

• complex sensorimotor coordination
• divides hindbrain into pons and medulla

Question 25

in animals with primitive forebrains (fish, amphibians, reptiles), visual processing occurs where?

Answer 25

midbrain (optic tectum)