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Cnidaria Flashcards

1
Q

Ctenophora are known for their
In sunlight

A

Beauty delicate nature
Comb plate gives the effect of rain bow

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2
Q

Sea gooseberries ( other name )
body structure

A

Sea walnuts comb-jellies
Spherical, cylindrical, pear shaped
Transparent jelly

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3
Q

Ctenophora are
Nutrition

A

Radial / bilateral symmetry
Tissue grade body organisation
Diploblastic
Carnivorous

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4
Q

Ctenophora locomotion
Location and how
Digestion

A

Body bear eight external row’s of ciliates comb plates
Exclusively marine and pelagic (float on sea surface)
Extra cellular intracellular

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5
Q

Ctenophore in place of chidoblasts

A

On tentacles ends lasso cells which help in catching prey

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6
Q

Ctenophore sexuality
Fertilization
Reproduction
Development
Larva

A

Bisexual
External
Only sexual
Indirect
Cy cipid

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7
Q

Ctenophora example

A

Pleurabrachia (tenoplana, Beroe

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8
Q

Platyhelminthes why flatworms
Endoparasite or ectoparasite exception

A

They have dorsoventrally flattened body
Endoparasite -not all are parasitic eg planaria( dogesia)

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9
Q

Platyhelmin
Germ layer
Coelom
Organisation

A

Triploblastic
Acoelomate
Organ level of organisation

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10
Q

Platyhel .
Adhesive. Organs
Locomotory organs
Skeletal system
Circulatory system
Digestive tract
absent in

A

Suckers hook present in parasitic form
Absent
Incomplete / absent tapeworm

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11
Q

Epidermis secretes (platyhelminthsis)
Function

A

Cuticle is present called tegument
Protects the parasite from digestive enzymes of host

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12
Q

Solenocytes
Function
Hydro skeleton ( platyhel)

A

Specialised cell called flame cells help in Osmo regulation and excretion
Turgidity of fluid in parenchymal meshes maintains the form of body

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13
Q

Play helmin this respiration
Anaerobic eg

A

Body surface
Internal parasite like Taenia

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14
Q

Nervous platyhel
Sexuality except
Reproductive system
Fertilization
Development

A

Nerve ring nerve cord peripheral nerves (ladder like)
Bisexual except schistosoma
Complex and well developed
Self or cross and internal
Larval stages

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15
Q

Taenia
Blood fluke

A

Tape worm
Schistosome

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16
Q

Liver fluke
Dugesia

A

Fasciola
Planaria

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17
Q

Larva of fasciola

A

MSRCM
Miracidium
Sporocyst
Redia
Cercaria
Meta cercaria

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18
Q

Aschelminthes why roundworms
Location

A

Body of Nema thehelminthes is circular in cross section and tapering at both ends with out segmentation
Free living aquatic terrestrial parasitic in plants and animals

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19
Q

Aschel
Symmetry
Germ layer
Level of organisation
Body wall consists of

A

Bilateral
Triploblastic
Organ system level
Cuticle epidermis (syncytial) muscle layer [only longitudinal)

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20
Q

Aschel body cavity is and contains
Alimentary canal differentiated

A

Pseudocoel not lined by mesoderm and contains pseudocoelomic fluid
Mouth well developed muscular pharynx, intestine and anus

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21
Q

Aschel skeleton
Respiration
Circulatory

A

Absent = hydro skeleton high fluid pressure in pseudocodom
Body surface by diffusion
Absent

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22
Q

Aschel nervous system
Excretory system

A

Nerve ring ( brain) and longitudinal nerve cord
H - shaped renter cell or protonephridia ( tube removes the waste )

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23
Q

A.sch.el.
Reproductive system.
Sexual it y
Development.

A

Well developed
Dioecious
Indirect direct

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24
Q

Aschel male

A

Smaller than female and curved - from its coudalend

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25
Aschel Male has what for copulation Cloaca
Has penial spicules genital tract joins digestive tract to form cloaca [absent in female)
26
Ascaris larva and found in Ancylostoma:
Rhabditiform / rhabditoid in small intestine Hookworm (IN small in testine)
27
Pinworm Trichinae spiralis
Aschel Enterobius - seat worm (in large intestine) Viviparous endoparasite of small intestine
28
Filarial worm ( also known as) Found in Transferred by Causes
Aschel Wuchereia In lymph vessels /gland. Transferred by female culex mosquito Viviparous Causes elephantiases
29
Annelida found in
Aquatic (marine Nereis fresh water hirudinaria ) Terrestrial earthworm Free living Parasitic leech
30
Annelida Symmetry Germ layer Level of organisation Colem Segments
Bilateral Triploblastic Organ system Tube within tube Coelomate Metameric ( segments / metameres )
31
Cephalisation annelids
Anterior head like with sense organs
32
Locomotion Nereis Pherítima Hiruda hirudenaria
Parapodia Chitin's setae earthworm Muscular contraction
33
Body wall of annelids consists Coelom
Critic epidermis and muscle layer [both circular and longitudinal) Eucoelomate schizocoelomate [schizocoel]
34
Annelids are first
Protostomous eucolomate organisms Digestive glands are developed Heart appear first time in Annelida ( neurogenic)
35
Annelid Respiration Circulatory system heart form Blood colour (hb dissolved in )
Through skin(cutaneous respiration) , gills aquatic [branchial respi ] Closed (some blood vessel → heart) heart tubular form Red ( erythrocrounium) but haemoglobin dissolved in plasma
36
Circulatory system exception Annelida Excretory system,, also fn Nervous system
Closed (Leech open circulatory system) Nephridium osmoregulation Paired ganglia connected by laterals nerves to a double ventral nerve chord
37
Annelida Reproduction eg Sexuality Development and larva
Sexual Dioecius- Nereis monoecious - earthworms leeches Direct or indirect with trochophora larva
38
Sand worm Hirudo Aphrodite
Nereis Leech Sea mouse 🐁 🐀🐭
39
Blood sucking leech Pheretima
Hirudinaria Earthworm 🪱
40
Longest phylum ________ which includes _____ ( no ) Their location
Arthropoda, insects Two third Water land sea in plant animal
41
Arthropoda Symmetrical Germ layer Body organisation Metamerism Coelm
Bilateral Triploblastic Organ system level Externally segmented body Schizo coelom schizocoelomate
42
Arthropoda Character Skeleton Body divided
Jointed appendages Chitinous exoskeleton Head thorax and abdomen
43
Arthropod Cephalization Sense organs Digestive tract
High degree Simple eyes, compound eyes l antennae, statocyst / balance organ Complete
44
Compound eye
Consists many smaller units called ommatidia Forming no. Of images (mosaic image)
45
Respiration arthropod Gills Tracheal system Book-lungs Book-gills Who carry oxygen directly to cells
Prawn Insects Scorpion King crabs Tracheae
46
Arthropod Circulatory system Blood colour insect Prawn
Open type blood flows in haemocoel Colourless haemolymph Copper containing pigment haemocyanin
47
Excretory organs Eg crustaceans Arachnids Insects
Antennary or green glands opening directly to exterior Coxal glands Malpighian tubules opening into gut
48
Arthropoda Nervous system Sexuality Fertilization Development
Nerve ring (brain) double , solid , midvental nerve cord bearing pair of ganglia Separate Internal external Direct or indirect
49
APIs Bombyx Laccifer
Economically important insects (arthopode) Honey bee Silk worm Lac insect
50
Anopheles Culex Aedes
Vectors arthropod Female anopheles spread malaria Female culex spread filariasis Aedes (mosquitoes) spread dengue chkungunya
51
Gregarious pest Living fossil limulus
Locusta (locust) King crab I horse shoe carb / limulus
52
Arthropod others example Peripatus
Butterfly scorpion Prawn Spider Cyclops Centipedes Millipedes Peripatus ( connecting link between Annelida and Arthropoda )
53
Mollusca Location Germ layer Organisation
Terrestrial.or aquatic. Triploblastic Organ system
54
Mollusk symmetry exception reason Unsegmented exception
Bilaterally (few are secondarily a symmetrical eg snail due to twisting [ torsion) during development) Neopilina
55
Mollusca body Covered by and unsegmented Mantle/pallium Mantle cavity
With calcareous shell and is unsegmented with distinct head, visceral hump ' muscular foot Soft and spongy layer of skin over visceral hump Space b/w hump and mantle feather like gills (ctenidia) ore present
56
Mollusca Respiratory lexeretary functions Haemocoel Digestive gland.
Mantle cavity gills (ctenidia) Space b/w viscera contains bloods Hepatopancreas
57
Mollusca Digestive tract radula Blood.
Complete Mouth contains a file like rasping organ for feeding called radula Copper containing blue respiratory pigment called haemo cyan in
58
Mollusca excretory system Nervous system
1 to 2 pair like kidneys which open into mantle cavity, kidney of molluscs are metanephridia / organs of bojanus Keber's organs are also found Present
59
Mollusca sense organs Eyes For maintaining equilibrium Osphradia
Present over a stalk called ommatophore ( Gastropoda) Statocyst / lithocyst = present in foot Chemoreceptor / Olfactory for nature of water
60
Mollusca Sexuality Fertilization Development Larva
Dioecious External/internal Mostly indirect Trochophore Ovi porous
61
Mollusca Apple snail Pinctada Tusk shell Aplysia
Pila Pearl oyster Dentalium Sea hare
62
Mollusca Sepia Octopus 🐙 Loligo
Cuttlefish Devil fish Squid Cephalopod Mollusca
63
Mollusca Chiton Neopilina
Chaetopleura Connecting link b/w Annelida and Mollusca
64
Echinodermata Endoskeleton Skin Location Shape
Calcareous ossicles Spines and pedicellaria ( helps to clean skin) All are marine Star like ,cylindrical ,melon like,disc like,flower like
65
Echinoderm Symmetry Circulatory system Heart
Adult = radially,larvae =bilaterally Open type Absent
66
Distinctive features of echinoderms Helps in What prevents entry of water
Presence of water vascular system =Unique water filled ambulacral with tube feet is present Locomotion capture and transport into ambularal system Perforated plate madreporite
67
Echinoderm Digestive system except Mouth Excretory system Nervous system
Complete (except brittle star ) Mouth = lower ventral Anus=dorsal upper Absent diffuse out through body surface Simple less developed nerve ring and radial nerves with sense organ no brain
68
Echinoderm Sexuality Reproduction Fertilization Development Larva
Separate sexes Sexual External Indirect with freee swimming larva Bipinnaria
69
Resemble chordates
Echinoderm in early embryonic development due to deuterostomous and enterocoelomic conditions
70
Echinoderm Asterias Sea urchin Cucumaria
Star fish (autonomy ) Echinus Sea cucumber
71
Sea lily Ophiura Phylum
Antedon Brittlestar Echinoderm
72
Evisceration Eg,
Echinoderm in angry or Frightened state vomits out viscera ( internal organs) Eg holothuria , sea cucumber
73
Hemichordata Lives in Consits of Respiration
Are fossorial (ives in burrow) Of a small group of worm like marine animals Takes place through gills [pharynges al gill slits)
74
Hemichondata Body like Divided into Blood Heart
Worm like brittle and soft 1 Anterior proboscis 2 A collar 3 A long truck Colourless with ameboid corpuscles Dorsally
75
Hemichordata Notochord structure Excretion
Found in buccal cavity Called buccal diverticulum or stromochord [outgrowth of guts ] By signal glomerulus (situated in proboscis known as proboscis gland)
76
Hemichordata Sexes Fertilization Development Larva
Separate External Indirect Tornaria
77
Hemicharda Tongue worm or acorn worm Other eg
Balanoglossus Saccoglossus
78
Non chordates Notochord Nerve chord Pharynx gill Heart Tail
Absent Ventral: solid, double. Absent Dorsal ( if +nt) Absent

Animal Kingdom (4 decks)

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