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MB Echinoderms Flashcards | StudBud
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MB Echinoderms
MB Echinoderms
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Review of #echinoderms
Flashcards
57 cards
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Practice quiz
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Host live
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Questions
57
Answers
1
Evisceration & Cuvarian Tubules are defense mechanisms found in...
all Echinoderms
sea urchins & sand dollars
feather stars & sea lilies
sea cucumbers
2
Name that Class: Can have a symbiotic organism taking shelter in their bum (anus)
Ophiuroidea
Holothoroidea
Crinoidea
Asteroidea
3
Echinoderms in their larval state differ from adults because... (best answer)
are benthic with pentamerous symmetry
they filter feed and are not active predators
the are planktonic with bilateral symmetry
the larva are smaller than the adults
4
aboral means...
side that is opposite the mouth
the structure is on the dorsal side anterior
when the mouth & anus are on the same side
side that contains the mouth
5
Name that Class: Feather Stars
Holothoroidea
Asteroidea
Crinoidea
Ophiuroidea
6
Name that Class: active predator, preys on bivalves
Ophiuroidea
Holothoroidea
Asteroidea
Crinoidea
7
Name that Class: "snake-like" arms can break off easily
Crinoidea
Asteroidea
Ophiuroidea
Echinoidea
8
Symmetry found in many adult Echinoderms...
asymmetrical
pentamerous
strictly radial
bilateral
9
Cephalization in Echinoderms is...
concentrated in the anterior end
absent
very advanced because they are deuterostomes
reduced like annelids
10
Ossicles are...
part of the water vascular system
part of the tube feet
pincer-like organs
dermal plates
11
Name that Class: Sea Lilly
Asterioidea
Ophiuroidea
Crinoidea
Echinoidea
12
Aristotle's Lantern is...
a light producing organ
"eye spots" on sea stars rays
part of the endoskeleton
feeding mechanism
13
Pedicellaria are...
give echinoderms their unique symmetry
found at the base of spines, are pincer-like organs
attached to tube feet
part of water vascular system
14
Name that Class: Sand Dollar
Crinoidea
Echinoidea
Ophiuroidea
Asteroidea
15
What does it mean if an Echinoderm has no sexual dimorphism?
you can't distinguish male from female
can change sexes if needed
all male except one alpha female
is hermaphroditic and self fertilizes
16
Name that Class: Lack spines w/madreporite internal, some swim
Crinoidea
Asteroidea
Echinoidea
Ophiuroidea
17
Echinoderm is Greek for....
Spiny skin
Aristotle's Lantern
Madreporite
Asteroidea
18
The difference between Feather Stars and Sea Lilies is that...
No real difference between the two
Sea Lilies can swim & Feather Stars are sessile
Sea Lilies are sessile & Feather Stars can swim
Both can swim but Sea Lilies are better at it
19
Water flow through the Water Vascular System...
Tube feet-radial canal-stone canal-Madreporite
Tube feet-ampullae-ambulacral groove-Madreporite
Madreporite-stone canal-ring canal- radial canal - tube feet
Madreporite - stone canal - radial canal - tube feet
20
Name that Class: no rays, ball or disc shape
Echinoidea
Crinoidea
Holothoroidea
Ophiuroidea
21
Evolutionary Trends of Echinoderms
diploblastic deuterostomes
triploblastic protostomes
triploblastic deuterostomes
diploblastic protostomes
22
Domain & Kingdom for Echinoderms
Archaea - Animalia
Eukarya - Animalia
Bacteria - Asteroidea
Eukarya - Asteroidea
23
Which is not an Echinoderm?
sea cucumbers & sea lilies
sea stars & sea urchins
basket stars & brittle stars
sea doggies & sea squash
24
Name that Class: Sea Urchins
Echinoidea
Ophiuroidea
Asterioidea
Crinoidea
25
Name that Class: Brittle stars
Ophiuroidea
Holothoroidea
Crinoidea
Asteroidea
26
Id the incorrect statement...
sea stars are active predators that move using tubed feet
brittle stars are active predators
sea cucumbers have soft bodies with reduced endoskeleton
sand dollars have short spines and filter feed
27
Name that Class: Elongated body, tentacles around mouth
Ophiuroidea
Holothoroidea
Crinoidea
Echinoidea
28
This venomous sea star is a voracious predator that feed on coral & can devastate coral reefs.
bat star
blood star
crown of thorns
sunflower sea star
29
Name that Class: Sea Star
Asteroidea
Ophiuroidea
Echinoidea
Crinoidea
30
Body structure of an echinoderm...
is very complex like arthropods
has both an endo & exo skeleton
has living tissue on the outside of endoskeleton
has an exoskeleton but doesn't molt
31
Identify the unique structures only found in Echinoderms
Aristotle's Lantern, water vascular system, tube feet
Water Vascular System, Aristotle's Lantern, tentacles
Aristotle's Lantern, madreporite, tube feet, spines
Madroporite, flexible arms, pentaramous symmetry, tube feet
32
Name that Class: Respiration occurs through anus
Echinoidea
Crinoidea
Holothoroidea
Ophiuroidea
33
Cuvarian Tubules are...
long sticky strands released from the anus
fission of the organism to retreat from predators
toxins released by the water vascular system
ejecting internal organs from mouth or anus
34
Identify the incorrect answer... Echinoderms are found...
from intertidal to deep sea vents
in fresh water
as benthic organisms
in marine environments
35
Evisceration is....
releasing long sticky strands from the anus
ejecting internal organs through mouth or anus
toxins released by the water vascular system
fission of the organism to retreat from predators
36
Name that Class: Basket Star
Crinoidea
Echnioidea
Ophiuroidea
Asteroidea
37
Feeding Strategies: mucus between spines (on rays) collect organic material & small prey
Crinoidea
Holothoroidea
Asteroidea
Ophiuroidea
38
Aristotle's Lantern is found...
in sea urchins
in all classes of echinoderms
in holothoroidea & crinoidea
only found in asteroidea
39
Which is NOT a characteristic of Echinoderms?
spiny skin
internal heart
water vascular system
pentamerous
40
Name that Class: Central disc distinct from long thin rays
Crinoidea
Echinoidea
Ophiuroidea
Asteroidea
41
All sea stars have pentamerous symmetry
False
True
42
Water enters the echinoderm through the...
skin gills
madreporite
pedicellaria
tube feet
43
Pedicellaria
all of the answers
is used for defense
used in feeding
can contain toxins
44
Name that Class: photoreceptors found on the tips of each ray
Holothoroidea
Asteroidea
Crinoidea
Ophiuroidea
45
Name that Class: Sand Dollar or Sea Biscuit
Asteroidea
Ophiuroidea
Crinoidea
Echinoidea
46
Feeding Strategies: Algae eater, can devastate a kelp forest if predators are absent
Ophiuroidea
Echinoidea
Asteroidea
Crinoidea
47
Domain & Kingdom for Echinoderms
D=Eukarya K=Animalia
D=Bacteria K=Asteroidea
D=Archaea K=Animalia
D=Eukarya K=Asteroidea
48
Feeding Strategies: Oral tube feet sweep through sediment picking up organic materials
Ophiuriodea
Asteroidea
Crinoidea
Holothoroidea
49
I will prepare for the Echinoderm test tomorrow by reviewing & making study questions...
ha! you so funny
When sea cucumbers fly...
Really Ms Boyer - Me study?
True -- BTW this is the answer!!!
50
Most reproduction in Echinoderms is...
asexual by budding
sexual & external
sexual & internal
parthenogenic (can change sexes)
51
Feeding Strategies: Extends stomach out of body - releases digestive enzymes & liquifies food
Holothoroidea
Crinoidea
Ophiuroidea
Asteroidea
52
Sand dollars move around by...
flexible arms
moveable spines
tubed feet
releasing slime
53
Name that Class: Sea Cucumber
Ophiuroidea
Asteroidea
Holothoroidea
Crinoidea
54
Feeding Strategies: Suspension feed using tubed feet -- like upside down brittle star
Ophiuroidea
Asteroidea
Echinoidea
Crinoidea
55
This is necessary for regeneration in the class asteroidea
more than one arm lost from the sea star
proper nutrients and water quality
part of the central disc attached to an arm
one arm missing from the body
56
The Water Vascular System is...
found in many other phyla
found in only Echinoderms
the movement of blood in Echinoderms through an open cavity
found in both Echinoderms & Annelids
57
Name that Class: Long feather-like arms, upward facing mouth
Crinoidea
Asteroidea
Ophiuroidea
Echinoidea
