Lab Practicum #3 Flashcards

1
Q

Class Chondrichthyes

A

shark

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2
Q

What is the function of the spiracles?

A

Allows water to flow into the gill chamber

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3
Q

How do you know if a shark is a male or a female?

A

On the ventral side, there are no claspers on the cloaca if it is a female.

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4
Q

Class Octheichthyes

A

Fish

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5
Q

What is the function of the air bladder?

A

Controls the fish buoyancy.

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6
Q

How many chambers does a fish heart have?

A

2 chambers

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7
Q

Class Amphibia

A

Amphibians

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8
Q

What phylum do all of these organisms belong to?

A

Phylum Chordata

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9
Q

what subphyla do all of these organisms belong to?

A

Subphyla vertebrata

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10
Q

what are the three orders in class Amphibia?

A

Order Gymnophiona, Order Urodela, Order Anura

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11
Q

Example of order gymnophiona

A

Caecilians

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12
Q

Example of order Anura

A

Frogs and Toads

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13
Q

Example of order urodela

A

Salamanders

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14
Q

What traits are specific to order Anura

A

Absence of tail in adulthood

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15
Q

What traits are specific to order Urodela

A

Has tail

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16
Q

What traits are specific to order Gymnophiona

A

without legs

17
Q

how is a frogs tongue unique?

A

It isn’t attached the way back.

18
Q

Class Reptilia

19
Q

What are the orders of Class Reptilia?

A

Order Spenodonia(tuatara)
Order Testudines(turtles)
Order Squamata(lizards/snakes)
Order Crocodilia(crocodiles)

20
Q

What traits are specific to Order Spenodonia

A

No external ears

21
Q

What traits are specific to Order Testudines

22
Q

What traits are specific to Order Squamata

A

Scaled skin, snakes- loss of limbs

23
Q

What is Class Aves

24
Q

What are some characteristics that are specific to birds?

A

scales on legs, beak, toothless, feathers

25
Class Mammalia
mammals
26
What characteristics are specific to mammals
mammary glands, hair
27
What orders are part of Class Mammalia
Order Primate(humans, monkeys) Order Rodentia(rodents) Order Carnivora(cheetah, bears, whales)
28
What characteristics are specific to Order Primate
Pentadactyl feet, well developed ulna and radius
29
What characteristics are specific to Order Rodentia
Dentition(teeth) specialized for gnawing.
30
What characteristics are specific to Order Carnivora
Diverse food habitat(mostly carnivorous)
31
Superclass Agnatha
Jawless fish
32
what are the characteristics of chordates?
notochord, pharyngeal slits, dorsal nerve chord, post anal tail
33
What Subphylum's are in Class Agnatha?
Subphylum Urochordata(tunicates) Subphylum Cephalachordata(Lancelet) Subphylum Vertebrata
34
What autapomorphies are there in Subphylum Urochordata?
soft sacklike body with siphons
35
What autapomorphies are there in Subphylum Cephalachordata?
unique filterering system(wheel organ)
36
What autapomorphies are there in Subphylum Vertebrata?
vertebrae, developed brain, neural crest
37
How do tunicates feed?
Trapping food through its siphons