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Marine > Chordata and Echinodermata > Flashcards

Chordata and Echinodermata Flashcards

Quiz #3

1
Q

Echinodermata Movement

A

Sessile or Slow moving

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2
Q

Eye Spots

A

Tip of Rays

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3
Q

Echinodermata Digestion

A

Complete

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4
Q

Echinodermata Support

A

Endoskeleton - Calcium Carbonate

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5
Q

Echinodermata Reproduction

A

External

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6
Q

Class Holothuroidea Example

A

Sea Cucumbers

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7
Q

Class Asteroidea Example

A

Sea Stars

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8
Q

Echinodermata Symmetry

A

Radial

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9
Q

Echinodermata Circulatory System

A

Open

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10
Q

Water Vascular System

A

How sea stars get around

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11
Q

Class Ophiuroidea Example

A

Brittle Star

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12
Q

Regenerative Properties

A

They can regrow limbs

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13
Q

Class Echinoidea Example

A

Sea Urchins, Sand Dollars

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14
Q

Pharyngeal Slits

A

develop into gills and eventually elements of the head, jaw, and ears

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15
Q

Optic Nerve

A

Part of the chordates nervous system

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16
Q

Chordates Digestion

A

Complete

16
Q

Pumps blood in chordates

A

Heart

17
Q

Dorsal Hollow Nerve Cord

A

develops into the central nervous system: the brain and the spinal cord

18
Q

Notochord

A

Becomes cartilage dies between the vertebrae

19
Q

Function of Dorsal Fins

A

Increase Lateral Surface Drag

20
Q

Function of the Pelvic Fins

A

Balance

21
Q

Chordates Symmetry

A

Bilateral

22
Q

Function of the pectoral Fins

A

Steer and control depth

23
Q

Function of the Caudal Fins

A

Power

24
Q

Class of Chordates that lack paired fins

A

Agnatha

25
Q

Class of Chordates that have pseudoteeth

A

Agnatha

26
Q

Class of Chordates that lack Jaws

A

Agnatha

27
Q

Example Hagfish

A

Agnatha

28
Q

Class of Chordates that are composed of cartilage

A

Chondrichthyes

29
Q

Class of Chordates that have their mouth located on their ventral side

A

Chondrichthyes

30
Q

Class of Chordates that are made of cartilage and have moveable jaws

A

Chondrichthyes

31
Q

Class of Chordates that have skin covered by minute denticles

A

Chondrichthyes

32
Q

Class of Chordates that skeleton is made of bone

A

Osteichthyes

33
Q

Class of Chordates that have gills covered by operculum

A

Osteichthyes

34
Q

Class of Chordates that have their mouth terminally located

A

Osteichthyes

35
Q

Class of Chordates that have scales made of bone

A

Osteichthyes

Marine (4 decks)

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