Echinoderms

Question 1

means spiny skinned

Answer 1

Echinoderm

Question 2

A Skelton inside for support and structure

Answer 2

Endoskeleton

Question 3

a defensive organ

Answer 3

Pedicellariae

Question 4

perforated plate by which the entry of seawater into the vascular system

Answer 4

Madreporite

Question 5

runs through a sea stars arms part of its water vascular system

Answer 5

Radial canal-

Question 6

a circle canal under the plate of the sea stars center

Answer 6

Ring Canal

Question 7

facncy arm name for a seastar

Answer 7

ray

Question 8

symmetry around a central axis

Answer 8

radial cemetery

Question 9

divisible into symmetrical halves on either side of a unique plane

Answer 9

bilateral Cemetery

Question 10

the water pump system in a sea star

Answer 10

Water vascular system

Question 11

extends from the mouth to the end of each ray or arm.

Answer 11

Ambulacral

Question 12

a small piece of calcified material forming part of the skeleton of an invertebrate animal

Answer 12

ossicles

Question 13

limit the passage of large food particles or undigested material into the intestine.

Answer 13

pyloric stomach

Question 14

reproductive glands in a sea star

Answer 14

gonads

Question 15

starfish uses uses this special tube to move

Answer 15

tube feet

Question 16

External Fertilization

Answer 16

External fertilization is a male organism’s sperm fertilizing a female organism’s egg outside of the female’s body.

Question 17

to regrow a removed limb

Answer 17

regeneration

Question 18

5 limbs thicker / dissected

Answer 18

sea star

Question 19

large poky looking ball eats kelp

Answer 19

sea urchin

Question 20

round shell found on beach

Answer 20

sand dollar

Question 21

fluffy looking plant

Answer 21

sea Lilly

Question 22

looks like a feather sea star

Answer 22

feather star

Question 23

leather poky skinnked looking worm

Answer 23

sea cumber

Question 24

looks like underwater sunflowers

Answer 24

sea daisy

Question 25

Pyloric Caecum-

Answer 25

This organ with fingerlike projections is located near the junction of the stomach and the intestines. Its function is not entirely understood, but it is known to secrete enzymes that aid in digestion

Question 26

which is a sack like stomach located at the center of the body may be everted

Answer 26

Cardiac stomoch

Question 27

store the water

Answer 27

Ampulla

Question 28

located in the center contains the mouth of the starfish

Answer 28

Central Disc-