group quiz 2

Question 1

lateral line

Answer 1

line down side mid of sharks

Question 1

ampullae of lorenzini

Answer 1

pin like holes in hsarks skin for sensing pressure and low-level electrical stimuli

Question 2

female vs male shark

Answer 2

males have claspers on pelvic fins

Question 3

frog breathing

Answer 3

partially through cutaneous respiration also pulmonary respiration

Question 4

female vs male rat

Answer 4

male has testes

Question 5

female vs male bullfrog

Answer 5

bullfrog more yellow coloured throat, skin on first digit of forelimes = nuptial pads to grip during reproduction

Question 6

brachiomeric muscles

Answer 6

from myotomes of somitomeres

Question 7

hypobranchial muscles

Answer 7

myotomes of somites just posterior to pharyngeal slits

Question 8

axial muscles

Answer 8

myotomes of the somites of the trunk region - skeletal muscles of the trunk and tail

Question 9

hypaxial muscles

Answer 9

dorsal epaxial muscles

Question 10

epaxial muscles

Answer 10

ventral hypaxial muscles

Question 11

shark eye muscles

Answer 11

dorsal superior oblique + ventral inferior oblique: ORIGIN, anterior-medial corner of eye

rectus muscles: dorsal superior rectus, ventral inferior rectus + medial rectus and lateral rectus: ORIGIN - posterior medial corner of the orbit

Question 12

shark branchiomeric muscles

Question 13

adductor mandibulae

Answer 13

large muscle below the spiracle - elevates meckel’s cartilage