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Bio Lab 144 > Echinoderm And chordates > Flashcards

Echinoderm And chordates Flashcards

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Biology 101 flashcards
1
Q

What subphyla does sea urchins belong to?

A

Echinoidea
Echin - oi - dea

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2
Q

What class is brittle stars in?

A

Ophiuroidea
Ophi - uroi - dea

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3
Q

In the class Urochordata, what is their tunic made of?

A

Cellulose

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4
Q

Two features shared by all vertebrates:

A

Vertebral column and district head

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5
Q

What key features separate Chondrichthyes and Agnatha?

A

Hinged jaw

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6
Q

What key feature separates Osteichthyes and Chondrichthyes?

A

Bony skeleton

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7
Q

What helps Osteichthyes sense movement in water?

A

The lateral line ( along their body)

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8
Q

What kind of symmetry do sea stars have as adults?

A

Asteroidea have pentaradial symmetry

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9
Q

Flexible rod that forms along the dorsal side of the primitive gut

A

The notochord

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10
Q

What did tetrapods that colonized land evolve from?

A

Osteichthyes

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11
Q

What class do Lampreys belong to?

A

Agnatha

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12
Q

Bony fishes with a mineralized bone tissue are in what call?

A

Osteichthyes

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13
Q

Echinoderms and chordates belong are both protostomes or Deuterostomes?

A

Deuterostomes

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14
Q

How does water get to the tube feet in an Asteroidea?

A

From the Madreporite, stone canal, radial canal

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15
Q

The underside of the sea star ray has a type of groove

A

Ambulacral Groove

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16
Q

Name all parts

A

Oral:
1. Ambulacral groove 2. Mouth 3.spines 4. Arms

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17
Q

Name parts

A

Aboral
1.spines 2. Arms 3. Madreporite 4. Anus

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18
Q

Asteroidea

A
  1. Ambulacral groove 2. Mouth
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19
Q

Name all parts

A

Radial canal
Madreporite
Water
Ampulla[e]
Tube foot
Stone Canal
Ring canal

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20
Q

Name

A

Arms, eyespots, Madreporite

21
Q

Name all parts

A

Mouth, Ambulacral ossicles, tube feet, Ambulacral groove

22
Q

Name structures …starts with P

A

Pyloric duct, pyloric cecum

23
Q

What is the pyloric cecum?

A

Digestive gland

24
Q

Name all

A

Operculum
Dorsal fin
Caudal fin
Anal fin
Pelvic fin
Pectoral fin
Lateral line

25
Q

Name all

A

Gill
Liver
Gonad
Heart

26
Q

Name all

A

Gill
Pyloric cecum
Gonad
Spleen
Intestine
Ventricle
Atrium

27
Q

Refresh

A

Look and try to remember LOL

28
Q

The internal [endo] skeleton is made of what type of plates?

A

Ossicles

29
Q

Type of symmetry Echinoderms have as larvae. And as adults?

A

Bilateral
Pentaradial

30
Q

For locomotion and feeding

A

Water-vascular system

31
Q

Flexible rod that extends down the length of the body of a Chordate

A

Notochord

32
Q

Notochord becomes skeleton

A

Invertebrate chordates

33
Q

Notochord disintegrates

A

Vertebrate chordates

34
Q

Four characteristics shared by ALL chordata

A

Dorsal hollow nerve cord
Notochord
Pharyngeal slits or pouches
Postanal tail

35
Q

Describe Deuterostome Embryonic development

A

Blastopore becomes the anus
Mesoderm derived from folds of the endoderm

36
Q

Name the structures

A

Madreporite
Radial canal
Gonads
Ampulla
Podium
Digestive gland
Ring canal
Stomach

37
Q

Starfish development

A

Zygote

Single celled diploid

38
Q

Starfish development

A

Early cleavage

Divisions to produce multicelular ball of cells

39
Q

Starfish development

A

Blastula

Ball of cells

40
Q

Starfish development

A

Gastrula

Blastopore and archenteron form

41
Q

Star fish development

A

Bipinnaria

Larva stage

42
Q

What stage is the Bipinnaria stage?

A

Larval stage

43
Q

What stage is this sea star at?

A

Young starfish

44
Q

What class does this belong to?

A

Ophiuroidea

Oph iu roidea

45
Q

What class and what animal is this?

A

Sea cucumber
Holothuroidea
Holo thu roidea

46
Q

Name these structures L to R and under

A

Notochord
Dorsal hollow nerve cord
Post anal tail
Pharyngeal slits

47
Q

What class is this animal and what is it’s tunic made out of?

A

Urochordata
Uro chordata

Cellulose

48
Q

What class and name of animal

A

Cephalochordata
Lancelets

49
Q

What class do they belong to?

A

Agnatha

Bio Lab 144 (10 decks)

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