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categorical studies > animal kingdom > Flashcards

animal kingdom Flashcards

1
Q

radial symmetry

A

ANY plane passing through the central axis can divide the organism into two equal halves
ex- coelntrata
ctenophora
adult echinoderms

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2
Q

bilateral symmetry

A

when the body can be divided into identical left and right halves only in ONE PLANE
ex- platyhelminthes through chordata and larvae echenoderms

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3
Q

coelom

A

a body cavity lined with mesoderm

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4
Q

coelentrata

A

both intracellular and extracellular development
; have a central gastro vascular cavity with a single opening on the hypostome
; show metagenesis

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5
Q

ctenophora

A

body bears 8 external rows of ciliated comb plates which help in LOCOMOTION
; bioluminiscene

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6
Q

level of organization

A

cellular level - porifera
tissue level - coentrata and ctenophora
organs performing specific fucntion - platyhelminthes
organ system - annelids through chordata

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7
Q

chordata

A 
presence of notochord 
paired phrangeal gill silts 
post anal tail 
CNS IS DORSAL HOLLOW AMD SINGLE 
ventral heart 
urochordata/tunichordata - ascidia, salpa, doliolum
cephalochordata - branciostoma (order-amphioxus) (genera-lancelette)
vertebrata
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8
Q

cyclostoma

A 
agnatha 
ectoparasites 
6-15 pair of gill slits 
scales absent 
paired finns absent 
cartilagenous vertebral column 
cartilagenous cranium
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9
Q

chondrichthyces skin, scales and teeth and gill silts

A

tough skin
placoid scales
teeth modified placoid scales directed backwards
gill slits without operculum

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10
Q

air chamber is present in which gnathostoma pisces

A

osteoichtyces

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11
Q

electric organs

poison sting

A

torpedo

trygon

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12
Q

habitat of types of pisces

A

chondro- marine

osteo- both marine and fresh water

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13
Q

location of mouth in different type of pisces

A

chondro- ventral
osteo- terminal

[VT]

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14
Q

osteo scales and gill slits

A

ctenoid/cycloid scales

4 pairs of gill slits covered with operculum on each side

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15
Q

fertiliztiom in different type of pisces

A

chondro- internal and viviparous

osteo- exeternal and oviparous

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16
Q

amphibian skin

A

moist WITHOUT SCALES

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17
Q

what is cloaca and what animals posses it

A

common chamber where alimentary canal, urinary bladder and reproductive tract open into
present in ambhibia

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18
Q

fertilization in amphibia?

A

external
oviparous
indirect development

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19
Q

ichthyophis

A

limbless amphibia

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20
Q

reptilian skin

A

dry and cornified skin

presence of epidermal scales known as SCUTES

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21
Q

ear situation in amphibia vs reptiles

A

amph- tymanum represents the ear

rept- external ear opening absent, tymapnum represpenets ear

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22
Q

avian skin

A

dry without scales except the oil glands which is present at the base of tail
hind limbs generallu have scales

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23
Q

what is crop and grizzard and it;s a characteristic feature of?

A

additional chamber of the digestive tract

birds

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24
Q

origin of nervous system

A

coelentrata

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25
Q

in porifera, fertilization is _ and the development is _

A

internal

indirect

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26
Q

poriferan digestion is _

A

intracellular

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27
Q

in poriferans, sexes are _

A

not separate i.e they are hermaphrodite

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28
Q

the name cnidaria is derived from / which contains /

A

cnidocytes/ cnidoblasts

stinging capsule/ nematocytes

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29
Q

nematocytes are present on the _

A

tentacles and the body

30
Q

function of cnidoblast

A

anchorage
defense mechanism
prey capture

31
Q

a central gastro vascular cavity is a characteristic of _

write more ab the cavity

A

coelenterata

,, the cavity has a single opening with mouth on the hypostome

32
Q

digestion in coelentrata

A

both extra cellular and intra cellular

33
Q

digestion in ctenophores

A

both extra cellular and intra cellular

34
Q

fertilization and development in ctenophora

A

external

indirect

35
Q

hooks and suckers in platyhelminthes are found in the _ form

A

parasitic

36
Q

_ in platyhelminthes help in osmoregulation and excretion

A

flame cells

37
Q

sexes in platyhelminthes are _

A

not seperate

38
Q

fertilization nd development in platyhemninthes

A

internal

through various larval stges

39
Q

alimentary canal is complete with a well developed muscular pharynx is a characteristic of _

A

aschelmenthis

40
Q

in aschelminthes _ removes body wastes from the body through a _

A

excretory tube

excretory pore

41
Q

sexes are _ in aschelminthes

A

seperate

42
Q

fertilization and development in aschel

A

internal

direct or indirect

43
Q 
ascaris is aka 
wuschereria is aka
ancyclostoma is aka 
enterobius is aka 
and all of these are examples of _
A 
round worm 
filarial worm 
hookworm
pinworm 
aschelminthes
44
Q

annelids posses _ and _ muscles which help them in _

A

longitudinal & circular

locomotion

45
Q

nereis is an _ annelid and they contail lateral appendages called _ which help in _

A

aquatic
parapodia
swimming

46
Q

_ help in osmoregulation and excretion in annelid

A

nephridia

47
Q

neural system in annelid contains of _ _ connected by _ _ to a _ _ _

A

paired ganglia
lateral nerves
double ventral nerve cord

48
Q

nereis -

earthworm and leeches -

A

dioecious

monoecious

49
Q

body of arthropoda consist of

A

head
thorax
abdomen

50
Q

respiratory organs in arthropoda

A

book lungs
book gills
gills
tracheal system

51
Q

arthropoda have _ circulatory system

A

open

52
Q

sensory organs in arthropoda

A

antennae
eyes (compound or simple)
statocysts
balance organs

53
Q

excretory organ in arthropoda

A

malphigian tubule

54
Q

fertilization and development in arthropoda

A

internal

indirect or direct

55
Q

arthropoda are oviparous or viviparouos?

A

MOSTLY OVIPAROUS

56
Q

BODY OF A MOLLUSC

A 
covered by a calcareous shell 
unsegmented 
distinct head 
muscular foot 
visceral hump
57
Q

feather like gills in mollusc are present in the _

A

mantle cavity

58
Q

mantle cavity is the space between _ & _ and is found in _

A

hump and mantle

mollusc

59
Q

feather like gills in mollusc perform the function of

A

respiration and excretion

60
Q

in m

A
61
Q

in mollusc, the _ head region has _ tentacles

A

anterior

sensory

62
Q

what’s radula and it is a charachteristic feature of what?

A

mouth of a mollusc contain a file like rasping organ called radula

63
Q

digestive system of an echinoderm is _ with mouth on the _ side and anus on the _ side

A

complete
lower/ ventral
upper/ dorsal

L-VAD

64
Q

water vascular system

A

found in echinoderms
help in locomotion
capture and transport of food
respiration

65
Q

echinoderms have an excretory system, true or false

A

false, they don’t

66
Q

fertilization and development in echinoderms

A

usually external

indirect with free swimming larvae

67
Q

worm like marine animals

A

hemichordata

68
Q

circulatory system in hemichordata

A

open

69
Q

excretory organ in hemichordates

A

proboscis glabd

70
Q

fertilisation and development in hemichordates

A

external

indirect

categorical studies (3 decks)

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