Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Zoology Lecture Unit 3 > Phylum Echinodermata > Flashcards

Phylum Echinodermata Flashcards

1
Q

Phylum Echinodermata

What does “Echino-“ mean?

A

Rough

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Phylum Echinodermata

What does “-derm-“ mean?

A

Skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Phylum Echinodermata

What does “-ata” mean?

A

-ed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Phylum Echinodermata

Blastopore becomes the anus

A

Deuterostomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Phylum Echinodermata

Germ layers

A

Triploblastic : Coelomate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Phylum Echinodermata

Digestive tract type?

A

Complete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Phylum Echinodermata

Feeding behaviors?

A

Filter feeders
Suspension feeders
Predators
Herbivores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Phylum Echinodermata

Structure for gas exchange?

A

Dermal branchiae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Phylum Echinodermata

How do dermal branchiae allow for gas exchange?

A

Extensions of the coelom that stick out into the water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Phylum Echinodermata

Structure for excretion?

A

Dermal branchiae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Phylum Echinodermata

Type of skeleton?

A

Endoskeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Phylum Echinodermata

Endoskeleton is covered in ___ ___.

A

Living cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Phylum Echinodermata

Endoskeleton is made up of ___.

A

Ossicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Phylum Echinodermata

Ossicles (bone-like structures) are composed of ___.

A

Calcium Carbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Phylum Echinodermata

Larvae symmetry?

A

Bilateral symmetry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Phylum Echinodermata

Adult symmetry?

A

Radial symmetry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Phylum Echinodermata

“Secondarily-derived traits”

A

Group had the trait, lost it, then got it back.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Phylum Echinodermata

Nervous system?

A

Nerve ring + radial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Phylum Echinodermata

Circulatory system?

A

Hemal system- Circular muscles move coelomic fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Phylum Echinodermata

Synapomorphy?

A

Water vascular system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Phylum Echinodermata

Water vascular system function?

A

Locomotion

Feeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Phylum Echinodermata

Water vascular system path?

A

Madreporite plate -> stone canal -> ring canal -> radial canal -> lateral canal -> ampulla / tube foot

23
Q

Phylum Echinodermata

Tube foot suction strength?

A

Very strong

24
Q

Phylum Echinodermata

What environment do they live in?

A

Marine

25
Q

Phylum Echinodermata

What supergroup do they belong to?

A

Deuterostomia

26
Q

Phylum Echinodermata
Class Asteroidea
Common name?

A

Sea Stars

27
Q

Phylum Echinodermata
Class Asteroidea
Endoskeleton features
(grooming and tube foot protection)

A

Pedicellariae

Ambulacral groove

28
Q

Phylum Echinodermata
Class Asteroidea
Pedicellariae function?

A

Grooming and remove parasites

29
Q

Phylum Echinodermata
Class Asteroidea
Ambulacral groove function?

A

Protect tube feet

30
Q

Phylum Echinodermata
Class Asteroidea
Digestive tract path?

A

mouth -> esophagus -> cardiac stomach -> pyloric stomach / pyloric cecae -> intestine -> rectum/rectal cecae -> anus

31
Q

Phylum Echinodermata
Class Asteroidea
What can the stomach do?

A

Evertable

Turn inside-out

32
Q

Phylum Echinodermata
Class Asteroidea
Pyloric cecae function?

A

increase surface area for absorption and secretion

33
Q

Phylum Echinodermata
Class Asteroidea
Senses

A

Eye-spots
Generalized chemoreception
Generalized mechanoreception

34
Q

Phylum Echinodermata
Class Asteroidea
Reproduction

A

Sexual

Asexual: Fragmentation; regeneration from central disk

35
Q

Phylum Echinodermata
Class Ophiuroidea
Common name?

A

Brittle stars, serpent stars, basket stars

36
Q

Phylum Echinodermata
Class Ophiuroidea
What do they lack?

A

Pyloric cecae (in the arms)
Ambulacral groove (in the arms)
Water vascular system for locomotion (in the arms)
Anus

37
Q

Phylum Echinodermata
Class Ophiuroidea
Benefits from losing Pyloric cecae, Ambulacral groove, Water vascular system structures?

A

Flexibility and speed

38
Q

Phylum Echinodermata
Class Ophiuroidea
Autotomy?

A

Self-amputation to get away from predators

39
Q

Phylum Echinodermata
Class Echinoidea
Common name?

A

Sea urchins

Sand Dollars

40
Q

Phylum Echinodermata
Class Echinoidea
Do they have arms?

A

No

41
Q

Phylum Echinodermata
Class Echinoidea
Ossicle type?

A

Fused ossicles, not moveable

42
Q

Phylum Echinodermata
Class Echinoidea
Locomotion?

A

All spines are moveable

43
Q

Phylum Echinodermata
Class Echinoidea
Sand dollar feeding mechanism?

A

Suspension feeding

44
Q

Phylum Echinodermata
Class Echinoidea
Sea urchin feeding mechanism?

A

Herbivores

45
Q

Phylum Echinodermata
Class Echinoidea
Sea urchin chewing mechanism?

A

Aristotle’s lantern

46
Q

Phylum Echinodermata
Class Holothuroidea
Common name?

A

Sea cucumbers

47
Q

Phylum Echinodermata
Class Holothuroidea
Lack what feature?

A

Arms

48
Q

Phylum Echinodermata
Class Holothuroidea
Axis?

A

Elongated

Longer than wide

49
Q

Phylum Echinodermata
Class Holothuroidea
Ossicles?

A

Greatly reduced

Serve as muscle attachment

50
Q

Phylum Echinodermata
Class Holothuroidea
Well developed systems?

A

Hemal system

Respiratory tree

51
Q

Phylum Echinodermata
Class Holothuroidea
Where does the respiratory tree branch from?

A

Rectum

52
Q

Phylum Echinodermata
Class Crinoidea
Common name?

A

Sea lilies and feather stars

53
Q

Phylum Echinodermata
Class Holothuroidea
Original use of tube feet?

A

Suspension feeding

Zoology Lecture Unit 3 (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions