5. Chordata Flashcards by ve t

Q

All chordates are vertebrates

A

False

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Q

Which specimen are not vertebrates

A

Tunicates

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Q

Which speciman is jawless

A

lampreys

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Q

Which organism is parasitic

A

lampreys

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Q

Endostyle

A

Secretes mucus to trap food

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Q

Scale of Chondrichithyes

A

placoid

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Q

Electromagnetic sensors in shark

A

Ampullae of lorenzini

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Q

Gill cover

A

operculum

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Q

What can be sensed by the lateral line

A

Vibration and pressure gradient

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Q

Role of pyloric caeca

A

Secretes enzymes into the sromach

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Q

Neutral buoyancy

A

swim bladder

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Q

Number of chambers in perch heart

A

2

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Q

Third transparent eyelid of a frog

A

Nictitating membrane

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Q

Number of chambers in a frog heart

A

3

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Q

Number of chambers in a mammalian heart

A

4

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Q

A specimen that uses negative pressure breathing

Study These Flashcards

A

Pig

Q

Three components of axial skeleton

Study These Flashcards

A

skull
vertebrae
Ribs

Q

Three components of appendicular skeleton

Study These Flashcards

A

Pectoral
Pelvic
Limb bones

Q

Scutes

Study These Flashcards

A

Scales on a turtle’s shell that is homologous to the dermal scales