Echinoderm And chordates

Question 1

What subphyla does sea urchins belong to?

Answer 1

Echinoidea
Echin - oi - dea

Question 2

What class is brittle stars in?

Answer 2

Ophiuroidea
Ophi - uroi - dea

Question 3

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

Answer 3

Cellulose

Question 4

Two features shared by all vertebrates:

Answer 4

Vertebral column and district head

Question 5

What key features separate Chondrichthyes and Agnatha?

Answer 5

Hinged jaw

Question 6

What key feature separates Osteichthyes and Chondrichthyes?

Answer 6

Bony skeleton

Question 7

What helps Osteichthyes sense movement in water?

Answer 7

The lateral line ( along their body)

Question 8

What kind of symmetry do sea stars have as adults?

Answer 8

Asteroidea have pentaradial symmetry

Question 9

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

Answer 9

The notochord

Question 10

What did tetrapods that colonized land evolve from?

Answer 10

Osteichthyes

Question 11

What class do Lampreys belong to?

Answer 11

Agnatha

Question 12

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

Answer 12

Osteichthyes

Question 13

Echinoderms and chordates belong are both protostomes or Deuterostomes?

Answer 13

Deuterostomes

Question 14

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

Answer 14

From the Madreporite, stone canal, radial canal

Question 15

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

Answer 15

Ambulacral Groove

Question 16

Name all parts

Answer 16

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

Question 17

Name parts

Answer 17

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

Question 18

Asteroidea

Answer 18

1. Ambulacral groove 2. Mouth

Question 19

Name all parts

Answer 19

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

Question 20

Name

Answer 20

Arms, eyespots, Madreporite

Question 21

Name all parts

Answer 21

Mouth, Ambulacral ossicles, tube feet, Ambulacral groove

Question 22

Name structures …starts with P

Answer 22

Pyloric duct, pyloric cecum

Question 23

What is the pyloric cecum?

Answer 23

Digestive gland

Question 24

Name all

Answer 24

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

Question 25

Name all

Answer 25

Gill Liver Gonad Heart

Question 26

Name all

Answer 26

Gill Pyloric cecum Gonad Spleen Intestine Ventricle Atrium

Question 27

Refresh

Answer 27

Look and try to remember LOL

Question 28

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

Answer 28

Ossicles

Question 29

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

Answer 29

Bilateral Pentaradial

Question 30

For locomotion and feeding

Answer 30

Water-vascular system

Question 31

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

Answer 31

Notochord

Question 32

Notochord becomes skeleton

Answer 32

Invertebrate chordates

Question 33

Notochord disintegrates

Answer 33

Vertebrate chordates

Question 34

Four characteristics shared by ALL chordata

Answer 34

Dorsal hollow nerve cord Notochord Pharyngeal slits or pouches Postanal tail

Question 35

Describe Deuterostome Embryonic development

Answer 35

Blastopore becomes the anus Mesoderm derived from folds of the endoderm

Question 36

Name the structures

Answer 36

Madreporite Radial canal Gonads Ampulla Podium Digestive gland Ring canal Stomach

Question 37

Starfish development

Answer 37

Zygote Single celled diploid

Question 38

Starfish development

Answer 38

Early cleavage Divisions to produce multicelular ball of cells

Question 39

Starfish development

Answer 39

Blastula Ball of cells

Question 40

Starfish development

Answer 40

Gastrula Blastopore and archenteron form

Question 41

Star fish development

Answer 41

Bipinnaria Larva stage

Question 42

What stage is the Bipinnaria stage?

Answer 42

Larval stage

Question 43

What stage is this sea star at?

Answer 43

Young starfish

Question 44

What class does this belong to?

Answer 44

Ophiuroidea Oph iu roidea

Question 45

What class and what animal is this?

Answer 45

Sea cucumber Holothuroidea Holo thu roidea

Question 46

Name these structures L to R and under

Answer 46

Notochord Dorsal hollow nerve cord Post anal tail Pharyngeal slits

Question 47

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

Answer 47

Urochordata Uro chordata Cellulose

Question 48

What class and name of animal

Answer 48

Cephalochordata Lancelets

Question 49

What class do they belong to?

Answer 49

Agnatha