Ch 33: Invertebrates - Echinodermata

Question 1

Species

Answer 1

sea urchins, starfishes, sea lily and sea cucumbers

Question 2

Larva are considered bilateral or pentaradial?

Answer 2

bilateral

Question 3

Adult are considered bilateral or pentaradial?

Answer 3

pentaradial

Question 4

what is the exoskeleton composed of?

Answer 4

ossicles

Question 5

what is the Water Vascular System used for?

Answer 5

locomotion

Question 6

regeneration and reproduction can be sexual and asexual

Answer 6

t

Question 7

Asexual reproduction consists of …

Answer 7

regeneration

Question 8

sexual reproduction consists of …

Answer 8

external reproduction with separate sexes

Question 9

Echinoderm Water Vascular System Consists of one _____ ______ and five ______ ________ that extend into each of the five parts of the body.

Answer 9

Ring canal, radial canals

Question 10

Madroporite pore –

Answer 10

opening where water inters the vascular system

Question 11

Tube feet –

Answer 11

allow for suction

Question 12

Ampulla –

Answer 12

muscular sacs at the base of the foot that controls water movement and thus locomotion