Zoology Review: Echinoderms & Chordates

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Exam prep quiz on Echinoderms & Chordates

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Zoology Review: Echinoderms & Chordates


Zoology Review: Echinoderms & ChordatesVersión en línea Exam prep quiz on Echinoderms & Chordates por Zyannah 1 Which developmental feature describes echinoderms? a Spiral cleavage b Bilateral cleavage c Segmented cleavage d Radial, indeterminate cleavage 2 What symmetry do echinoderms develop into during growth? a Bilateral symmetry b Radial symmetry without fivefold pattern c Asymmetry d Pentaradial symmetry 3 What is the main function of the water vascular system? a Digestive transport b Coordinated tube feet for locomotion c Respiration only d Blood circulation 4 Which class does the sea star belong to? a Echinoidea b Asteroidea c Holothuroidea d Ophiuroidea 5 Which chordate feature is the dorsal nerve cord? a Notochord b Dorsal tubular nerve cord c Endostyle/thyroid gland d Pharyngeal slits 6 Which subphylum has chordate features throughout life and an elongate body? a Hemichordata b Cephalochordata c Vertebrata d Urochordata 7 What is unusual about the Great Lakes sea lamprey? a They migrate to saltwater only b They have been landlocked, living freshwater their entire life c They are herbivores only d They never spawn 8 How do sharks primarily catch prey compared to rays? a Sharks rely on hearing only b Sharks rely more on olfaction while rays rely on sensing via fins and waves c Both use same methods equally d Rays rely on eyesight only 9 What type of tail symmetry do sharks have? a Symmetrical tail b Homocercal tail c Decimal tail d Heterocercal tail 10 Describe shark tooth development. a Teeth form on the tongue only b Teeth are fixed and never replace themselves c Teeth grow from external buds and replace yearly d Teeth slowly grow forward and shed, new teeth form inside the jaw 11 Describe variation in reproductive methods of the bony fish. a Same sexes, Internal fertilization, lay eggs at the top of the water b All have separate sexes, most have external fertilization and development (OVIPAROUS), release eggs and sperm into open water, and lay eggs on bottom Feedback 1 Echinoderms show indeterminate radial cleavage in early development. 2 Echinoderms typically exhibit fivefold (pentaradial) symmetry. 3 Water vascular system coordinates tube feet via ampullae for movement. 4 Sea stars are in class Asteroidea. 5 The dorsal hollow nerve cord is a hallmark of chordates. 6 Cephalochordata (lancelets) retain chordate features throughout life. 7 Great Lakes lampreys are freshwater throughout life (landlocked). 8 Sharks use olfactory cues; rays use fin movement and other senses. 9 Sharks typically have a heterocercal tail with unequal lobes. 10 Shark teeth are continually replaced from inside the jaw.

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Zoology Review: Echinoderms & Chordates

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Zoology Review: Echinoderms & ChordatesVersión en línea

por Zyannah

Which developmental feature describes echinoderms?

What symmetry do echinoderms develop into during growth?

What is the main function of the water vascular system?

Which class does the sea star belong to?

Which chordate feature is the dorsal nerve cord?

Which subphylum has chordate features throughout life and an elongate body?

What is unusual about the Great Lakes sea lamprey?

How do sharks primarily catch prey compared to rays?

What type of tail symmetry do sharks have?

Describe shark tooth development.

Describe variation in reproductive methods of the bony fish.

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