Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology 1108 > Deuterostomes > Flashcards

Deuterostomes Flashcards

1
Q

Which of the following is NOT a characteristic of a deuterostome? Largest-bodied, morphologically complex, gut develops from posterior-to-anterior, coelom develops from outpockets of the ectoderm.

A

Coelom develops from outpockets of the MESODERM.

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

What 3 lineages did we study for deuterostomes? Echino____, hemi_____, and chordata.

A

Echinodermata , hemi-chordata, and chordata.

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

Echinoderms have a ___ sided radial symmetry.

A

5

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

Echinoderms have a ____ vascular system.

A

water

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

What kind of feet do echinoderms have?

A

tube feet

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

Name some examples of an echinoderm.

A

Sand dollars, sea urchins/stars/cucumbers/lilies

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

While echinoderm larvae have ____ symmetry, the adults have radial symmetry.

A

bilateral

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

Echinoderms also have an ____skeleton.

A

exo

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

Acorn worms are considered to be in what lineage of deuterostomes.

A

Hemi-chordata

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

Which feature is NOT characteristic of Hemi-chordata? They lack notochord and post-natal tail, they have echinoderm-like larvae, they have DT nerve chord, they don’t have pharyngeal slits.

A

They DO have pharyngeal slits.

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

Hemi-chordata are considered _____ which means that they live on the bottom of the ocean and feed on organic matter.

A

Benthic

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

Phylum Chordata all have a notochord, dorsal (hollow) nerve chord, ______ slits, and _____ tail.

A

pharyngeal, post-natal

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

Pharyngeal slits could be ____ or _____.

A

gills, pouches

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

The tail extends past the ____, and the dorsal nerve chord expands anteriorly for the ______.

A

anus, brain

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

Human embryo’s have all four Chordata features, but the tail almost ______.

A

disappears

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

The leftover portion of the tail might be considered the _____.

A

Coccyx

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

There are ____ chordates and _____ chordates.

A

invertebrate, vertebrate

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

Name some invertebrate chordates. _____chordata (lancelets) and uro________ (tunicates).

A

Cephalochordata, urochordata

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

Lancelets are _____ feeders and fish-like.

A

filter

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

________ larvae are motile while the adults are sessile. Adults lose ________ and notochord.

A

Tunicate, tail

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

Vertebrate chordates have either bone or cartilage body-support that protects the ______chord (spinal).

A

nerve

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

Endoskeleton adaptation: paired ______ (fins, legs, wings), increase in size, and complexity of ______ organs.

A

appendages, sensory

23
Q

Name one extinct JAWLESS fish.

A

Ostracoderm

24
Q

One class of EXTANT jawless fish is the group….

A

Petromyzontoidea (petro-myzon-toidea)

25
Q

Gnathostomes are _____ fish. Its classes are placodermi (extinct) and two others: ______ichthyes (sharkes, skates, rays, etc.) and ____ichthyes (ray-finned, lobe-finned).

A

Jawed, Chondrichthyes, Osteichthyes

26
Q

Chondrichthyes have a _____ skeleton.

A

cartilaginous

27
Q

True/False: Ray-finned (actinopterygii) lack the humerus bone.

A

TRUE

28
Q

What is the sub-class for lobe-finned fish.

A

Sarcopterygii

29
Q

The lobe-finned fish are in the _____ to amphibians, and do have a ____ bone. A ____ fish is an example of a Sacropterygii.

A

lineage, humerus, lung

30
Q

Name three animals in class amphibia…

A

frogs, toads, salamanders

31
Q

Amphibians have whats called a “____ life” and undergo metamorphosis.

A

double life

32
Q

Amphibian larvae have _____, the adults have ____, and are ____thermic.

A

gills, lungs, ecto

33
Q

Reptiles have scales made of ______.

A

keratin

34
Q

Name some animals in class Reptilia.

A

crocodrilians, turtles, lizards, snakes, etc.

35
Q

Reptiles are ____thermic.

A

ecto

36
Q

True/False. Reptiles have lungs.

A

TRUE

37
Q

Draw the amniotic egg.

A

Make sure you included all features (embryo, yolk, allantois, chorion)

38
Q

The yolk provides the embryo with _____.

A

nutrients

39
Q

The allantois is for ______.

A

waste

40
Q

The chorion is for ____ exchange.

A

gas

41
Q

Albumen in the amniotic egg has ____ for support.

A

water

42
Q

Class Reptilia and _____ both use an amniotic egg.

A

Aves

43
Q

Birds in class Aves have feathers made of _____, wings, and are ______ thermic.

A

keratin, endo

44
Q

In class Mammalia, hair (or fur) is made of _______. Animals have _____ glands, and are _____ thermic.

A

keratin, mammary, endo

45
Q

Name the sub-classes of Mammalia: pro_____, meta_____ and ____theria.

A

protheria, metatheria and eutheria

46
Q

Rodentia, Carnivora, Cetacea, Lagomorpha and Primates are all under the subclass __________.

A

Eutheria

47
Q

Name one transitional species between fish and amphibians.

A

Tiktaalik

48
Q

True/False: Deuterostomes share key features of embryonic development.

A

True

49
Q

True/False: The coelom is found in all deuterostome animals.

A

True

50
Q

Chordates are defined by the presence of four morphological traits: pharyngeal gill slits, a ______ cord, a notochord, and a post-anal tail.

A

Nerve

51
Q

True/False: The arrangement of bones and the fins of lobe-finned fishes and the limbs of tetrapods is similar.

A

True

52
Q

What two features are possessed by all vertebrates at some point in their life?

A

Tail, cranium (sensory organ)

53
Q

Name a JAWLESS fish

A

Lampreys, hagfish

54
Q

True/False: Reptile skin is made watertight by a layer of scales made of Keratin.

A

True

Biology 1108 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions