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Animal Kingdom > Porifera Cnidaria > Flashcards

Porifera Cnidaria Flashcards

1
Q

Porifera animals are found in

A

Aquatic, generally marine but few are found in fresh water( spongila)

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2
Q

Porifera are

A

Sessile solitary colonial

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3
Q

Pores

A

Numerous mouth lets called. Ostia
One opening for exit called. Osculum

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4
Q

Porifera shape

A

Irregular shapes like flower vase cylindrical

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5
Q

Porifera symmetry
Exception

A

Asymmetrical
Radial symmetry in leucosolenia sycon

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6
Q

Ectoderm Porifera

A

Outer pinacoderm ( pinacocytes] flat cell

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7
Q

Endoderm (Porifera)

A

Inner chanoderm [coller calls or chanocytes) flagella at ed

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8
Q

Characteristic of Porifera

A

Choanocytes

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9
Q

Mesenchyme( Porifera)

A

Amoebocytes

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10
Q

Spongocoel also known as

A

Paragastric cavity with small cavitied canals

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11
Q

Water transport Porifera also responsible for

A

Food gathering, respiratory exchange removal of waste

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12
Q

Changestes (Porifera)

A

Collar cells with flagella line the spongocoel and canals

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13
Q

Digestion Porifera

A

Intracellor occurs in food vacuoles of. Choanocytes
Nutrition is holozoic

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14
Q

Amolboïd. cells Porifera fn

A

Distribution of food from collar cells to other cells is brought by movable trophocytes

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15
Q

Skeleton of Porifera

A

The body is supported by skeleton made up of spicules / spongin fibres
Skeleton is internal mesenchyme [endoskeleton]

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16
Q

Spicules
Spongin fibres

A

Scleroblasts
Spongioblasts

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17
Q

Respiration excretion Cnidaria

A

Diffusion of gases through body surface

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18
Q

Porifera cnidaria excretory matter

A

Ammonia

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19
Q

Sexuality of portra

A

Hermaphrodite

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20
Q

A sexual Porifera

A

Fragmentation and budding

21
Q

Exogenous

A

Favourable condition

22
Q

Endogenous

A

Unfavourable
Gemmules contain archaeolyte cell covered by thick protective coat

23
Q

Protogynous condition

A

Fertilisation is internal and cross

24
Q

Leucosolenia
Larva.
Also known as

A

Parenchymla larva
Smallest sponge

25
Q

Sycon
Larva
Also known as

A

Amphiblastula larva
Sycpha

26
Q

Fresh water sponge
Bath sponge

A

Spongilla
Euspongia

27
Q

Bridal gift in japan

A

Euplectella - Venus flower basket

28
Q

Harmful to pearl industry

A

Cliona - boring sponge

29
Q

Coelenterate are found in
Symmetry
Nutrition

A

Mostly marine few are fresh-water [Hydra]
Radial. Symmetry
Corrnívoros

30
Q

Cmidoblasts are and +nt in

A

Cardocytes (which contain stinging capsule or nematocysts)
+nt on tentacles and body

31
Q

Chidoblats used

A

For anchorage, defence and for capture of prey

32
Q

Cnidarians exhibit

A

Tissue level of organisation
Diploblastic

33
Q

Interstitial cells [.coelentratia ]

A

Present in ectoderm endoderm of body wall are totipotant cells

34
Q

Cnidaria cavity with ______ Mouth

A

Central gastrovascular cavity with single opening mouth on hypotosme
Blind Sal

35
Q

Digestion of cnidarians

A

Extracellular [coelenteron )
Intracelluler [food vacuole of gastro dermal cells ]
Mouth and body surface

36
Q

Calenteron fn

A

Responsible for distribution of food besides partly digesting it

37
Q

Skeleton of cnidarian

A

Corals have skeleton composed of calcium carbonate

38
Q

Dim.or.phic.

A

Basic body forms = polyp and Medusa

39
Q

Polyp
Example

A

Hydra. Adamsia
Cylindrical
Sessile some motile
Solitary / colonial

40
Q

Polyp direction of

A

Mouth and tentacles
Asexual

41
Q

Medusa example

A

Aurelia or jelly fish
Umbrella
Free swimming
Always solitary

42
Q

Medusa tentacles mouth and reproduce by

A

Directed downward
Sexual form

43
Q

Metagenesis
And it’s example

A

Polyps ➡️ Medusa asexually
Medusa ➡️ polyps sexually
Obelia physalis

44
Q

Nervous system of cnidarians

A

Diff used type
Consist of non-poles(apolar]

45
Q

Larva of obelia

A

Planula

46
Q

Larva of Aurelia

A

Ephyra

47
Q

Portugues man of war
sea pen/ sea Feather

A

Physalis
Pennatula

48
Q

Sea anemone
Brain coral

A

Adamsia
Mandarina

49
Q

Gorgonia

A

Sea fan

Animal Kingdom (4 decks)

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