Echinoderm

Question 1

a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber

Answer 1

Echinoderm

Question 2

internal framework of body of animal

Answer 2

Endoskeleton

Question 3

claw-shaped structure

Answer 3

Pedicellariae

Question 4

A perforated platelike structure in most echinoderms that forms the intake for their water-vascular systems

Answer 4

Madreporite

Question 5

canals that form part of the water-vascular system

Answer 5

Radial canal

Question 6

water tube that surrounds esophagus of echinoderms

Answer 6

Ring canal

Question 7

arranged like points on a star

Answer 7

Arm / Ray

Question 8

body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis

Answer 8

Radial Symmetry

Question 9

body plan in which the left and right sides of the organism can be divided into approximate mirror images of each other along the midline

Answer 9

Bilateral Symmetry

Question 10

helps with movement and oxygen exchange

Answer 10

Water Vascular System

Question 11

radial areas in an echinoderm bearing the tube feet by which the creature moves

Answer 11

Ambulacral Groove

Question 12

form part of endoskeleton

Answer 12

Ossicles

Question 13

one of the paired tubes in each ray of a starfish

Answer 13

Pyloric Caecum

Question 14

receive partially digested food

Answer 14

Pyloric Stomach

Question 15

starfish can push this stomach outside the body to eat something

Answer 15

Cardiac Stomach

Question 16

Squeeze To Controll Water Entering /Leaving Tube Feet

Answer 16

Ampullae

Question 17

Makes Sprem or Eggs

Answer 17

Gonads

Question 18

Central region of sea stars & brittle stars from which rays or arms radiate

Answer 18

Central Disc

Question 19

used for feeding, movement, and a little for respiration

Answer 19

Tube Feet

Question 20

process in which eggs are fertilized outside the female’s body

Answer 20

External Fertilization

Question 21

restoration or new growth by an organism of organs, tissues, etc., that have been lost, removed, or injured

Answer 21

Regeneration

Question 22

body radially arranged, usually in the form of a star, with five or more rays or arms radiating from a central disk

Answer 22

Sea star

Question 23

body composed of a central, rounded disk from which radiate long, slender, fragile arms

Answer 23

Brittle star

Question 24

shell composed of many calcareous plates covered with projecting spines

Answer 24

Sea urchin

Question 25

various thin circular echinoderms of the coastal northern Atlantic and Pacific waters, having a covering of short movable spines

Answer 25

Sand dollar

Question 26

various sessile echinoderms in which the body consists of a long stalk attached to a hard surface and bearing a central disc with delicate radiating arms

Answer 26

Sea lilies

Question 27

body of a typical feather star is cup-shaped, their numerous feathery arms project from a central disc

Answer 27

Feather stars

Question 28

any echinoderm of the class Holothuroidea, having a long, leathery body with tentacles around the anterior end

Answer 28

Sea cucumbers

Question 29

soft-bodied, sluglike animals

without arms

Answer 29

Sea daisies