Crustaceans. Jointed appendages Phylum : Arthropoda Class : Crustacea 甲殼綱 Carapace Antennae.

68
Crustacea ns

Transcript of Crustaceans. Jointed appendages Phylum : Arthropoda Class : Crustacea 甲殼綱 Carapace Antennae.

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Crustaceans

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Jointed appendages

Phylum : Arthropoda

Class : Crustacea

甲殼綱

CarapaceAntennae

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abdomenwith swimmeret for swimming

carapace

antennae

walking legs

Tail fan for escape movement

chela

rostrum

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Shore crab

Carapace

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Sand crab

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Fiddler crab

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Horse-shoe

crab

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Horseshoe crab /

kingcrab

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Barnacles

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Jointed legs creating feeding current

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Centipedes

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A centipede

Phylum : Arthropoda

Class : Myriapoda

多足綱

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Arachnids

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A long-leg crab spider

Phylum : Arthropoda

Class : Arachnida

蜘蛛網

Head & throrax

fused together

4 pairs

of jointed

legs

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A mite

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Dog tick

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Scorpion

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Young scorpions on their mother’s back

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Insects

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A fly

Phylum : Arthropoda

Class : Insecta

昆蟲綱

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head

thorax

Abdomen

2 pairs of wings

1 pair of compound eyes

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Blow fly maggots

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Wasps

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A black wasps

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Wasps larvae in nest

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Wasps nest

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Termites

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Winged reproductive termites

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Damage to pine

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butterfly

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Moth

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Moth’s eggs

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A caterpillar

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A cocoon

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A pupa inside a cocoon

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Moth

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Adult ( imago )

eggs

Larva

pupa

Complete metamorphosis ( 完全變態 )

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A silk moth

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Silk-moths’ cocoon

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Developmental stages ( incomplete metamorphosis )

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Adult

nymph eggs

Incomplete metamorphosis

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Cricket

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Water strider

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Stick insect

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Preying mantis

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?

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A earwig

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larva

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Insect with new exoskeleton emerges

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Old exoskeleton

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Taking in air to expand the body before the new exoskeleton hardens

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! !

Oh …. 係一隻完全變態昆蟲呀 … .