Vertebrates Flashcards

1
Q

This is an additional trait of vertebrates that provides support and protection to the nerve chord

A

Vertebral Column

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the range of the number of chambers of a vertebrate’s heart?

A

2-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Commonly known as jawless fishes. Are long, rounded and eel-like.

A

Cyclostomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or False: Cyclostome’s notochords do not persist throughout life.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A type of Cyclostome that is marine, eyeless, finless and has no vertebrae.

A

Hagfish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Have ventral, suctorial and circular mouths

A

Cyclostomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False: Do vertebrates retain ALL characteristics of a chordate?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Have cartilaginous fins but do not have any paired appendages.

A

Cyclostomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A type of Cyclostome that produces and covers itself with slime as a defense method.

A

Hagfish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A type of Cyclostome that possesses a rudimentary vertebral column.

A

Lamprey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A parasitic type of Cyclostome that mostly lives in freshwater areas, and sometimes migrate to oceans.

A

Lamprey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the Gnathosthomes were the earliest to diverge, appearing in the mid/division period?

A

Fish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why do sharks and other Chondrichthyans sink when they stop swimming?

A

Because they are denser than water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Jawed vertebrates, entailing all fishes, amphibians, reptiles, and mammals.

A

Gnathosthomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Gnathosthomes have small organs that can sense water movement, what are they called?

A

Lateral Line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A type of Gnathostome that has cartilaginous skeletons and has 2 pairs of fins.

A

Chondrichthyans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Gnathosthomes have microscopic pores on their ventral side that can detect electric signals and vibrations, what are these called?

A

Ampulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

True or False: Sharks were one of the earliest animals to develop teeth.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

True or False: Chondrichthyans can barely see.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Organ that allows water to pass through for breathing.

A

Gills

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

An organ that allows water to pass through for breathing.

A

Gills

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

A type of Gnathosthome that has bony skeletons, and contains the most species among all fish classes.

A

Osteichthyans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What fluid do the scales of Osteichthyans produce?

A

Mucous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

This is the cut flap that protects the gills of fishes.

A

Operculum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Unlike Chondrichthyans, Osteichthyans do not need to keep swimming to stay buoyant, what body part allows them to do so?
Swim Bladder
26
Ray-finned fish
Actynopterygii
27
Lobe-finned fish, containing only the Coelacanth and Lungfish
Sarcopterygii
28
True or False: Sarcopterygii are found to be ancestors of Actynopterygii
False
29
Are called Gnathosthomes with 4 limbs.
Tetrapods
30
Are the only vertebrae to have the ability to live well on both land and water.
Amphibians
31
The term for when Amphibians breathe out of water.
Buccal Pumping
32
Amphibians are prone to drying, why is this?
Thin skin
33
How many chambers do the heart of Amphibians have?
3
34
True or False: Amphibians can reproduce on land.
False
35
Also called Apoda, they are worm-like, tropical Tetrapods.
Caecilians
36
Salamanders or ____, have elongated body, tail and 4 short limbs
Urodela
37
These are Tetrapods with desiccation-resistant egg.
Amniotes
38
This encloses a reserve of nutrients in the egg and gets smaller with age.
Yolk Sac
39
What is desiccation?
Extreme dryness
40
The disposal sac of the metabolic waste of the Amniotic Egg. This gets bigger with age.
Allantois
41
This allows gas exchange between the embryo and its surrounding air.
Chorion
42
This is the main protection of the embryo in the amniotic cavity.
Amnion
43
True or False: Amniotes fertilize externally.
False
44
Tetrapods:Buccal Pumping::Amniotes:____
Thoracic Breathing
45
Turtle:Terrestrial::Terrapins:_____
Aquatic
46
Instead of teeth, what do turtles use for biting?
Beak
47
The egg white, which stores nutrients is called?
Albumin
48
What are the 2 main reasons that turtles are slow-moving?
Slow metabolism and heavy shell
49
Lizards and Snakes belong to order _____?
Squamata
50
Snakes have _____ skulls, which are flexible and jointed, thus allowing them to consume large prey.
Kinetic
51
Crocodiles belong to order _____?
Crocadilia
52
True or False: Crocs and Alligators have evolved abundantly in the past millions of years.
False
53
Crocodiles and _____'s sexes both depend on the temperature of their nest.
Turtle
54
Aside from their lungs, what organs do birds use to breathe continuously while flying?
Air sacs
55
True or False: Birds have the same amount of organs like all other vertebrates.
False
56
Antlers and horns are special features of what class?
Mammalia
57
Aside from absorbing temperature, mammal's fur is also for _____?
Sensory, camouflage
58
Mammals have unique tooth structures compared to other animals, what are mammals with different types of teeth called? How about those with uniform teeth?
Heterodon, Homodon
59
Give at least 2 unique characteristics of mammals' enlarged skull
Enlarged brain Single lower jaw bone 3 bones in the middle of the ear External ears
60
A unique trait of mammals is their ability to digest _____?
Plants