Brainscape's Knowledge GenomeTM

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


See full index

bio 102 > 102 test 3 > Flashcards

102 test 3 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

how are chordates defined

A

dorsal hollow nerve cord, a notochord, pharyngeal slits muscular post anal tail

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

what is the phylum chordata

A

tunicates and lacelets

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

tunicates and lancelets have what

A

no backbone use their pharyngeal slits for suspension feeding

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

difference between adult tunicates and larva

A

adults are stationary and attached

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

what are lancelets

A

small bladelike chordates that live in marine sands

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

what are hagfishes

A

jawless vertebrates

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

traits of hagfishes

A

deep sea scavengers only marine. produce slime as an antipredator defence
cartilaginous skull,reduced vertebrae, small brain eyes ears and no hinged jaws

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

what is a lamprey

A

jawless vertebrate

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

lamprey traits

A

parasites, rasping tongues , marine and freshwater, lack hinged jaws, rudimentary vertebrae, notochord for body main support, lack paired fins, cartilaginous segments surrounding the notochord.they arch partly over the nerve cord

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

traits of jawed vertebrates

A

have gills and paried fins
are sharks ray-finned fishes, and lobe-finned fishes

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

what are the three lineages of jawed vertebrates

A

chondrichthyans,sharks,rays

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

ray-finnded fishes examples

A

tuna,trout,goldfish

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

ray finned fish

A

have a skeleton made of bone

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

lobe-finned fishes examples

A

coelacanths and lungfishes.

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

lobe finned fishes

A

have a series of rod-shaped bones in their muscular pectoral and pelvic fins.

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

chondrichthyans

A

sharks and rays, they have a flexible skeleton made primarily of cartilage

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

chondrichthyes traits

A

skeleton is cartilage
skate- dorsonventrally flattened, egg bearing, prominent dorsal fin,tail with thorny projections

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

ray

A

dorsoventrally flattened, live bearing, dorsal fin absent,
larger spines on tail

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

sharks traits

A

streamlines body most are carnivores big ones are suspension feeders
short digestive tract spiral valve

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

what are ray-finned fishes skeletons made of(tuna,trout,goldfish

A

bone

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

bony fish traits

A

breathe by water over gils
protected by an operculum
swim bladder,
lateral line system, most are oviparous (eggs outside body)

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

ray-finned fishes

A

webs of skin supported by bony spines
fins are supported by long flexible rays

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

what are lobe-finned fishes

A

coelecanths and lungfishes

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

lobe finned fishes traits

A

rod shaped bones in their muscular pectoral and pelvic fins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

lobe fins

A

fleshy fin joined to body by a single bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

where are lungfishes found

A

southern hemisphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Lobe fin get o2 hwo

A

gills are main source but can also go to the surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

are amphibians tetrapods

A

yes vertebrates with two pairs of limbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what is incuded in amphibians

A

salamanders frongs and caecilians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

amphibians traits

A

use moist skins to supplement their lungs for gas exchange, poison glands in their skins, lay eggs in water, metamorphosis from larva to adult first tetrapods to colonize land

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

how many species and clades of amphibians

A

6,150 species in three clades
Urodela(salamanders), Anura(frogs), Apoda(caecilians)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what does amphibian mean

A

Both ways of life, metamorphosis of larva into an adult

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what does amphibian mean

A

Both ways of life, metamorphosis of larva into an adult

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

tadpoles are

A

herbivores, lack legs, legs lungs eardurms and carnivory come during metamorphosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

what do most amphibians have

A

moist skin for gas exchange

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Urodela(salamanders)

A

a caecilians,amphibians with tails some are aquatic others are terrestrial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Anura(frogs)

A

lack tails and have powerful hind legs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

frogs with leathery skin are called what

A

toad

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

toads

A

fertilization is external in most species, eggs require a moist environment

39
Q

In what ways are amphibians not completely adapted for terrestrial life?

A

Amphibians are poorly adapted for terrestrial life because their eggs must always be laid in water and they must retain moist skin in order to survive.

40
Q

Apoda(caecilians)

A

legless, blind look like earthworms

41
Q

are reptiles amniotes

A

yes tetrapods with a terrestrially adapted egg

42
Q

reptiles and birds and mammals are amniotes

A

yes

43
Q

what is a amnion

A

a fluid filled sac surrounding the embryo

44
Q

yolk sac

A

rich store of nutrients for the embryo

45
Q

chorion,allantois

A

enable the embryo to obtain oxygen from the air and dispose of carbon dioxide

46
Q

do amniotic eggs of reptiles and some mammals have a shell

A

yes

47
Q

what includes reptiles

A

turtles crocodilians, squamates, tuataras, birds, and some extinct groups

48
Q

what is the name of the waterproof scales on reptiles

A

keratin

49
Q

how do reptiles lay eggs

A

on land

50
Q

what are reptiles and birds

A

ectothermic,endothermic

51
Q

turtles

A

shells fused to vertebrae, clavicles and ribs

52
Q

alligators and crocodiles are where

A

warm regions

53
Q

alligators traits

A

darker and nearly black, u shaped snout only in the us and china

54
Q

Crocodiles traits

A

longer more v shaped head, fourth tooth sticks out, better for seawater, more aggressive, lighter color. found everywhere

55
Q

what are the most diverse reptiles

A

squamates

56
Q

snakes

A

evolved from lizards

57
Q

what clade are birds

A

aves

58
Q

are birds endothermic

A

yes no urinary bladder females one ovary small gonads loss of teeth

59
Q

living birds are clade neornithes

A

several are flightless
ratites penguins rails ducks pigeons

60
Q

mammals are amnitoes

A

amniotes, mammary glands, hair, high metoblic rate due to endothermy larger brain

61
Q

mammals 3 lineages

A

monotremes, marsupials, eutherians

62
Q

marsupials

A

brief gestation not in woub long ex possums kangaroos sugar gliders and koalas

63
Q

what group are humans in

A

ape group

64
Q

three groups of primates

A

lemurs, tarsiers, anthropoids

65
Q

tarsiers

A

13 species islands of southeast asia

66
Q

suspension feeders

A

capture food particles surrounding medium

67
Q

substrate feeders

A

live in or on their food source and eat their way through it

68
Q

fluid feeders

A

suck nutrient rich fluids from a living host

69
Q

bulk feeders

A

ingest large pieces of food

70
Q

protein

A

amino acid

71
Q

pollysaccharide

A

monosaccharides

72
Q

where do sponges and protists digest food

A

in vacuoles

73
Q

cnidarians and flatworms digest how

A

gastrovascular cavity

74
Q

how do most animals digest

A

alimentary canal

75
Q

path of human digestion

A

oral cavity. pharynx

76
Q

what are accessory organs

A

salivary glands.liver,gallbladder,pancreas

77
Q

what do salivary glands secreat

A

lubricating mucus and salivary amylase

78
Q

what does the liver do and secreat

A

bile to breakdown fats

79
Q

what does the gall bladder secreat

A

stores bile and releases it into the small intestine

80
Q

what does the pancreas do

A

secretes amylases, proteases, lipases and nucleases for digestion. makes insulin and glucagon

81
Q

what does saliva contain

A

salivary amylase mucins hco3 and water

82
Q

what is secreated in the sthomach

A

pepsinogen and HCL,

83
Q

the sthomach makes what

A

chyme a thick mixture

84
Q

what happens in the small intesting

A

pancres makes enxymes bile made from the liver absorbes shit fuck ass

85
Q

charbohydrates

A

pancreatic amylase _ maltose -monosacchardies

86
Q

proteins

A

trypsin,chymotrypsin, smaller polypeptied, various peptidases, amino acids

87
Q

nucleic acids

A

nucleases,nucleotides, nitrogenous bases,sugars,and phosphates

88
Q

fats

A

bile salts, fat droplets,lipase,fatty acids and glycerol

89
Q

small intestine s three functional segments

A

duodenum ,jejunum,ileum

90
Q

blood from digestine drains into the

A

hepatic portal vein

91
Q

what does the large intestine do

A

reclaims water and compacts feces pouch called cecum aka appendix

92
Q

12 amino acids

A

methionine valine histidine theronine phenylalanine leucine isoleucine tryptophan lysine

93
Q

endotherms

A

warm blooded get head from themselves

94
Q

ectotherms

A

cold blooded get heat from their suroundins

95
Q

what are kleptotherm

A

share heat from one another

96
Q

poikilotherm

A

body temp varies from surounding

bio 102 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions