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WorksheetsECHINODERMS
Total questions: 36
Worksheet time: 12mins
Name
Class
Date
1.
Class which contains Basket Stars and Brittle Stars
a)
Ophiuroidea
b)
Holothuroidea
c)
Asteroidea
d)
Echinoidea
2.
Class which contains Sea Biscuits, Sand Dollars, and Sea Urchins
a)
Ophiuroidea
b)
Echinoidea
c)
Holothuroidea
d)
Asteroidea
3.
Class which contains Sea Cucumbers
a)
Holothuroidea
b)
Echinoidea
c)
Ophiuroidea
4.
Class which contains Sea Lilies and Feather Stars
a)
Echinoidea
b)
Holothuroidea
c)
Crinoidea
d)
Ophiuroidea
5.
Class which contains Sea Stars
a)
Asteroidea
b)
Crinoidea
c)
Holothuroidea
d)
Echinoidea
6.
Phylum which contains Sea Stars
a)
Holothuroidea
b)
Asteroidea
c)
Crinoidea
d)
Echinodermata
7.
Proposed as a 6th class to contain two species of sea daisies
a)
Concentricycloidea
b)
Echinodermata
c)
Asteroidea
d)
Crinoidea
8.
A large, multiple-armed starfish that usually preys upon hard, or stony, coral polyps stony, coral polyps
a)
Brittle star
b)
Crown-of-thorns
c)
Echinodermata
d)
Asteroidea
9.
A secretive, hard-skinned, long-armed animal that lives on therocky sea floor; the arms do not touch each other at their bases
a)
Brittle star
b)
Crown-of-thorns
c)
Concentricycloidea
d)
Echinodermata
10.
A spiny, globular animal that lives on the rocky seafloor
a)
Sand dollar
b)
Brittle star
c)
Crown-of-thorns
d)
Sea urchin
11.
A spiny, hard-skinned animal that is shaped like a coin that lives on the sandy sea floor
a)
Sand dollar
b)
Sea urchin
c)
Brittle star
d)
Crown-of-thorns
12.
Animal with thin, brittle, and sharp spines that can easily pierce skin and fragment
a)
Crown-of-thorns
b)
Long-spined sea urchin
c)
Sea urchin
d)
Brittle star
13.
Echinoderms which become sessile and stalked during metamorphosis but after several months can detach and become free-moving
a)
Feather stars
b)
Long-spined sea urchin
c)
Sand dollar
d)
Sea urchin
14.
Echinoderms with a flower-shaped body at the tip of an attached stalk
a)
Sand dollar
b)
Feather stars
c)
Long-spined sea urchin
d)
Sea lilies
15.
One of the largest and fastest sea stars in the world
a)
Feather stars
b)
Sea lilies
c)
Sunflower seastar
d)
Long-spined sea urchin
16.
This group of echinoderms differs from other groups by being attached during a substantial part of their lives
a)
Crinoids
b)
Sunflower seastar
c)
Sea lilies
d)
Feather stars
17.
This sea star has dark brown pointy tubercles or horns all over the top of it for protection
a)
Feather stars
b)
Crinoids
c)
Chocolate chip sea star
d)
Sea lilies
18.
Venomous animal which stings using petal like pedicellariae
a)
Chocolate chip sea star
b)
Flower urchin
c)
Crinoids
d)
Sunflower seastar
19.
Another term for tube feet
a)
Podia
b)
Papulae
c)
Ossicles
d)
Crinoids
20.
Calcium carbonate plates that make up the skeleton of an echinoderm
a)
Papulae
b)
Podia
c)
Ossicles
d)
Chocolate chip sea star
21.
Delicate hollow tubes that project from the coelomic cavity to the exterior, through which gas exchange and waste excretion take place
a)
Papulae
b)
Ossicles
c)
Podia
d)
Flower urchin
22.
Muscular sac inside the coelom which controls the water pressure in the tube feet of the water-vascular system
a)
Pedicellariae
b)
Ampulla
c)
Ossicles
d)
Podia
23.
Pincer-like appendages used for protecting and cleaning the surface of the body
a)
Pedicellariae
b)
Ampulla
c)
Papulae
d)
Ossicles
24.
Sacs designed to capture and rupture any bacteria cells that
a)
Ocelli
b)
Polian vesicles
c)
Tiedemann’s bodies
d)
Pedicellariae
25.
Small sacs attached to the ring canal which act as water pressure regulators and reservoirs
a)
Ocelli
b)
Polian vesicles
c)
Tiedemann’s bodies
d)
Pedicellariae
26.
Structures at the tip of each arm which respond to light
a)
Ocelli
b)
Polian vesicles
c)
Tiedemann’s bodies
d)
Pedicellariae
27.
The side of an echinoderm opposite of the mouth
a)
Oral
b)
Aboral
c)
Ocelli
d)
Polian vesicles
28.
The side of an echinoderm that bears the mouth
a)
Oral
b)
Aboral
c)
Ocelli
d)
Polian vesicles
29.
The sieve-like, disk-shaped opening on the aboral surface of the body
a)
Bilateral
b)
Radial
c)
Madreporite
d)
Oral
30.
Type of symmetry in echinoderm adults
a)
Ophiuroidea
b)
Crinoidea
c)
Bilateral
d)
Radial
31.
Type of symmetry in echinoderm larvae
a)
Bilateral
b)
Radial
c)
Madreporite
d)
Oral
32.
“lily-like”
a)
Asteroidea
b)
Echinoidea
c)
Ophiuroidea
d)
Crinoidea
33.
“snake tail”
a)
Ophiuroidea
b)
Crinoidea
c)
Bilateral
d)
Radial
34.
“spine-like”
a)
Asteroidea
b)
Echinoidea
c)
Ophiuroidea
d)
Crinoidea
35.
"star-like”
a)
Asteroidea
b)
Echinoidea
c)
Ophiuroidea
d)
Crinoidea
36.
“water polyp”
a)
Echinoidea
b)
Asteroidea
c)
Holothuroidea
d)
Ophiuroidea
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