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Zoology > Practical > Flashcards

Practical Flashcards

1
Q

What kind of symmetry do organisms in the Phylum Echinodermata have?

A

Pentaradial during their adult life, bilateral during their time as a juvenile.

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2
Q

What type of organisms belong to the class Asteroidea?

A

Sea Stars

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3
Q

What type of organisms belong to the class Ophiurodea?

A

Brittle Stars

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4
Q

What type of organisms belong to the class Echinoidea?

A

Sea Urchins and Sand Dollars

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5
Q

What type of organisms belong to the class Holothuroidea?

A

Sea Cucumbers

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6
Q

What are the 5 attributes to the Phylum Chordata?

A

Notochord, pharyngeal slits, post anal tail, dorsal tubular nerve chord, and endostyle.

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7
Q

What type of organisms belong to the Subphylum Urochordata?

A

Tunicates

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8
Q

What type of organisms belong to the Subpylum Cephalochordata?

A

Lancelets

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9
Q

What are the larvae of the Superclass Agnatha?

A

Ammocoete

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10
Q

Are Agnatha endoparasitic or ectoparasitic?

A

Ectoparastic

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11
Q

What do Agnathans go through between their larvae stages and their adult stages?

A

Metamorphosis

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12
Q

What kind of respiration do organisms in the Superclass Gnathostoma posses?

A

Countercurrent Exchange Process

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13
Q

What are characteristics of the Class Chondrichthyes?

A

Cartilaginous skeleton, gill slits, heterocercal tail, placoid scales, and brain anatomy.

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14
Q

What are the characteristics of the Class Actinopterygii?

A

Bony skeleton, operculum, homocercal tail, ctenoid scales.

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15
Q

What are some defining characteristics of the Aves?

A

Feathers, modified forelimbs, beaks, hollow bones, and endothermy.

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16
Q

What are unique characteristics of Mammalia?

A

Mammary glands, hair, neocortex/cerebrum, heterodontia, diaphragm, and sweat glands.

17
Q

What are some important but not unique traits about Mammalia?

A

Bony secondary plate, endothermy, and 4 chambered heart.

Zoology (12 decks)

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