Ak Flashcards

1
Q

sponges- organisation?

A

cellular

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2
Q

in which cells are
arranged as Loose
cell Aggregates

A

sponges

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3
Q

do Division of Labours Among the cell?

A

Yes in sponges

some

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4
Q

concentrates level of organisation

A

Tissue level

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5
Q

What ist-level

A

cells are same function arranged into tissue

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6
Q

organ line by

A

Plateyhelminthes

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7
Q

organ eyesem
- specialised
function?

A

Anneli da, Arthropoda molluscans, chordata Echinodermata

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8
Q

dig. system incomplete

in

A

Platghelminthes- Single opening

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9
Q

opentype of circulation

A

cells {tissues are

directly bathed

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10
Q

closed type2

A

series of vessels of Varying diameter

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11
Q

Assymmetry?

A

sponges-Anyplane

does not divide into z

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12
Q

Radial symmetry

A

When ANY Plane

passes through Central Ax i S

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13
Q

RS examples

A

C C E

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14
Q

Bilateral Symmetry

A

only one plane - Annelida Arthropoda

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15
Q

Diploblastic

A

ecto-endoderm embryonic layers - coelen terates ctenophores

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16
Q

un diff layer present between ec- endoderm in Diplo

A

Mesoglea

17
Q

Triple blastic

A

platy helminthes to chordata- ecto meso endo

18
Q

Presence or Absence of cavity b” - , -

A

Gut , body wall

19
Q

Whatis Coelom

A

Body cavity lined by

mesoderm

20
Q

coelomates?

A

Anneli da - chordata

21
Q

mesoderm-Scattered

pouches

A

Pseudo c-As chel menthes

22
Q

Body cavity Absent

A

Acolom-platy

23
Q

metameriem

A

earthworm

24
Q

sponges

A

Marine , Assymetrical,Primitive

multicalabar,Cellular level

25
Q

water transport or

canal system in

A

Sponges - Ostia _ spongocoel - OScutum

26
Q

Pathway of H 20

A

Resp, foodgath excretion

27
Q

chounoaytes lines

A

Spongocoel and canals

28
Q

sponges- digestion

A

Intracellular

29
Q

in sponges body supported by

A

Spicules or

Spongin fibres

30
Q

sexes are not Seperate in sponges

A

hermaphrodite