kingdom animalia porifera cnidaria l f … platyhelminthes 1 s t … › ~bsc2011l › f spr 08 01...
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KINGDOM ANIMALIAPhylum PoriferaPhylum CnidariaPhylum PlatyhelminthesPhylum NemertinaPhylum NematodaPhylum RotiferaPhylum AnnelidaPhylum ArthropodaPhylum MolluscaPhylum BryozoaPhylum EchinodermataPhylum Chordata
KINGDOM PROTISTA
1st half ….
Worms,
worms &
more worms!
2nd half….
Thankfully a little
more familiar!
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Phylum
Arthropoda
4 SUBPHYLA:
Sub1hylTrilobitmorphaSub2hylCrustaceaSub3hylChelicerataSub4hylUniramia
Once upon a time there lived a fossil ……..!?
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Phylum
Arthropoda
Subphylum 2 Crustacea
Class Copepoda Class CirripediaClass Malacostraca Class OstracodaClass Branchiopoda
(Send your e-mails ‘CC MOB’) or
‘B O CC M’
(Head of the mob!)
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Subphylum 2Crustacea
= Largest class4 ORDERS
Do not need to know the names of these Orders for the practical! S.A.I.D. – just note that A & B are closely related.Stomatopoda
Mantis ShrimpAmphipoda
Beach Hoppers & Sand Fleas
Isopoda BPill bugsGiant Sea Roach
Decapoda ACrabs, Lobsters etc..
Class Cirripedia
Class Branchiopoda Acorn & Stalked
Barnacles“Lung
feet”
Fairy Shrimp
Daphnia Class Malacostraca
Class Ostracoda
Class Copepoda
Tiny red-eyed aliens! Really weird looking
Seed shrimp with bivalve- like shell
A
B
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Subphylum 2
CrustaceaClass Malacostraca
Order Decapoda
Crayfish - 1st pleopod in males = specialized intromissive organ. Absent or reduced in females.
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Phylum
ArthropodaSubphylum 3 Chelicerata
(‘AMP’ or ‘MAP’)
Class PycnogonidaClass ArachnidaClass Merostomata
‘PAM’ !
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Subphylum 3Chelicerata
Merostomata Arachnida
Arachnida
Males clasps females with 1st
pedipalp (boxing gloves)
Book gills
Book lungs & spiracles
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Prosoma & Opisthosoma
Cephalothorax & Abdomen
Chelicerata Crustacea
TAGMOSIS
Gills only
Book lungs/B. gills & tracheal system
Chelicerates are literate – have book structures!
Crustacea belong to the mob, they’ve been punched in their nose and breathe thru’ their gob! i.e. just use
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Phylum
ArthropodaSubphylum 4Uniramia
‘DIC’ or ‘CID’
Class ChilopodaClass DiplopodaClass Insecta
Which one has most legs per segment?
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Subphylum 4Uniramia
Class
Diplopoda2 pairs of legs/segment
Class
Chilopoda1pair of legs/segment
Vicious jaws of a carnivorous predator
Rounded head with no obvious jaws as it is a deposit feeder
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Suphylum 4 Uniramia Class Insecta
The “bugs!”Ah! The smell of mothballs!
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Metamorphosis is the change
from a LARVAL form to…… an ADULT form
…which grows by MOLTING
..but does NOT REPRODUCE
..which does not grow (MOLT)
..but does REPRODUCE
=
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Their wings have completely
G T GHOLOMETABOLISM
T T UT
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Holometabolism
Holometabola = Endopterygota4 ORDERS
Egg -> larvae -> pupa -> adultAquatic nymph
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Holometabolism
4 ORDERS
-Wings on the INSIDE
in the larva
and must undergo a
complete metamorphosis to bring them out in the adult.
This is a VERY
dramatic change
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Butterflies, moths
ColeopteraBeetles.Look for “T” formed by ELYTRA
DipteraTrue flies
Look for HALTERES
Order HymenopteraBees, ants, wasps
Order Lepidoptera
Order
Order
Division Endopterygota:Holometabolous Life Cycle 4 ORDERS:
CHiLD = Bugs for decorating a nursery or a children’s picture book.
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Hemimetabolism
5 ORDERS
-
Wings on the OUTSIDE in the larva already.
Only need an
incomplete/partial metamorphosis = (using half of the effort)
to bring the insect to the mature
adult stage.
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Their wings are already out
WHEMIMETABOLISM
N L UG R TS E
ADY
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HemimetabolismIncomplete metamorphosis Wings on the outside
Hemimetabola = Exopterygota5 ORDERS
egg-> nymph(mini adult)-> adult(Naiad if aquatic)
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Division Exopterygota:Hemimetabolous Life Cycle 5 ORDERS:
Order IsopteraTermites
HemipteraBug allies (assassin bugs, bedbugs)
Look for “X” on back
crossing over each
Homoptera(cicadas, aphids)Look for “home” formed by
wings over back of insect
OrderOdonataDragonflies, damselflies
OrthopteraCrickets, grasshoppers, roaches
Order
Order
Order Head-on
OHHIO
formed by wings
Other. True bugs
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Subphylum Uniramia Class Insecta
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Subphylum Uniramia Class Insecta
LepidopteraHymenoptera
Coleoptera
Orthoptera
Hemiptera
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Inside a Grasshopper… Remember the baseball and glove?
Don’t forget that the fore-
and hind gut portions are from ectodermally derived tissues!
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Gastric Caecum- chemical digestion
Proventriculus – grinding= mechanical digestion
Malpighian Tubules - excretion
Female has ovarioles(looks like rice grains!)
Crop - storage
Phylum Arthropoda, Subphylum Uniramia, Class Insecta, Order
Orthoptera
Respiratory system = Tracheal system (has spiracles etc.)