Bs1007 Echinoderms

Front 1

Echinoderms deuterostome or protostome

Back 1

Deuterostome

Front 2

WVS

Back 2

Water Vascular system - feeding, moving, respiring in echinoderms

Front 3

Symmetry in echinoderms

Back 3

Bilateral in larvae, pentaradial in adult

Front 4

Echinoderms movement

Back 4

Pedicellaria

Front 5

Echinoderms respiration

Back 5

Dermal branchiae or skin gills, Papula, tube feet (diffusion)

Front 6

Sexes of echinoderms

Back 6

Gonochrostic

Front 7

Echinoderms classes

Back 7

Ophiuroid

Echinoid

Crinoid

Holothuroid

Asteroid

Front 8

Pedicellaria

Back 8

Tiny jaws in echinoids and asteroids seen in prac

Front 9

Gills in echinoderms

Back 9

Gills surrounded by protective paxillae

Front 10

Asteroid symmetry and number of arms

Back 10

Pentamerous, 5 or more

Front 11

Arms of asteroid

Back 11

Contain intestine and gonads

Front 12

Asteroid pedicellaria, regeneration

Back 12

Present , yes

Front 13

Madreporite in asteroid

Back 13

Multiple arms, multiple madreporite

Front 14

Ophioroids

Back 14

Brittle stars.

Front 15

Ophiuroid symmetry and arms

Back 15

Pentamerous, long slender arms

Front 16

Asteroid loco

Back 16

Water Vascular system

Front 17

Water Vascular system

Back 17

Used for locomotion, food and wastes transport, respiration. System is composed of canals connecting tube feet.

Front 18

Ophiuroid locomotion

Back 18

Not water Vascular system, uses arms

Front 19

Ophiuroid madreporite

Back 19

Oral surface

Front 20

Ambulances groove ophiuroid

Back 20

Closed

Front 21

Ophiuroid pedicellaria and skin gills

Back 21

No

Front 22

Ophiuroid feeding

Back 22

Use arms, suspension feeders, scavengers

Front 23

Ophiuroid respiration

Back 23

Bursa. Cilia lined sacks

Front 24

Bursa

Back 24

Cilia lined sacks for respiration in ophiuroid

Front 25

Echinoid pedicellaria

Back 25

Present often with toxins

Front 26

Respiration of echinoids

Back 26

Tube feet

Front 27

Number of teeth in echinoids lantern

Back 27

5

Front 28

Urchin environment concerns

Back 28

Can wipe out kelp forest

Front 29

Holothuroid

Back 29

Sea cucumber. Lacks arms.

Front 30

Endoskeleton of holothuroid

Back 30

Tiny ossicle scattered throughout body

Front 31

Holothuroid feeding

Back 31

Oral tentacles are modified tube feet. Covered in mucous, brings food to mouth

Front 32

Movement of holothuroid

Back 32

Tube feet or muscle contraction

Front 33

Can holothuroid swim

Back 33

Half can, some have sails and fins

Front 34

Respiration of holothuroid

Back 34

Through anus. Pair of respiratory trees inside, ventilated by muscle contractions of anus and cloaca.

Front 35

Polish vesicle

Back 35

Calcareous tube leading to holothuroid madreporite

Front 36

Cuvierian tubules

Back 36

Defence system. Tubules at base of tree. Engulf and entangled prey as are very sticky

Front 37

Crinoid pedicellaria

Back 37

No

Front 38

Madreporite in crinoid

Back 38

No

Front 39

Respiration of crinoid

Back 39

Diffusion via tube feet

Front 40

Stupid

Back 40

App