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arthropoda Flashcards

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Biology 101 flashcards
1
Q

Largest phylum belongs to

A

Arthropoda

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2
Q

Arthropoda means

A

joined
feet

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3
Q

segment of arthropoda

A

segmented

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4
Q

arthropoda are believed to have common origin with

A

Annelida

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5
Q

Habitat of arthropoda

A

are found everywhere

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6
Q

The body of arthropoda is covered by waterproof __ secreted by __

A

Chitinous cuticle
epidermis

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7
Q

The body cavity of arthropod is called

A

Haemocoel

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8
Q

Excretory system of arthropod consists of

A

Malpighian tubule

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9
Q

CNS of arthropod consists of?

A

Highly developed CNC consists of

Simple brain (paired ganglia)
+
Connected to Ventral double nerve cord

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10
Q

Aquatic arthropods respire through __

A

gills and book lungs.

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11
Q

Circulatory system in arthropod is

A

Open circulatory system

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12
Q

Blood of arthropod is

A

Colourless no hb

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13
Q

In blood circ system of arthropod there is ___ heart and main blood vessel situated ___

A

primitive heart
dorsally

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14
Q

skeleton in arthropod is

A

external exoskeleton chitinous

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15
Q

__ is distinctive feature of Insects

A

Metamorphosis

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16
Q

There are ___ morphologically distinct
stages in the life cycle of arthropod

A

three

17
Q

Crustaceans have __ for respiration

A

gills

18
Q

Head of crustacean has

A

1 pair of mandible
2 pair of maxilla
2 pair of antennal appendage

19
Q

example of crustacean?

A

wood louse
cyclops
lobster
crabs
prawns

20
Q

Largest group of animals belong to class

A

Insecta

21
Q

class insecta thorax has _ segments

A

3

22
Q

there are _ pair of jointed legs in insects

A

3

23
Q

Class arachnida has __ pair of legs

A

4

24
Q

Book lungs are present in

A

arachnida

25
Q

how many eyes in spider

A

8

26
Q

the process of shedding exoskeleton is called

A

moulting or ecdysis

27
Q

___ in the Arthropods is one of the primary factors in the success of
Arthropoda

A

exoskeleton of chitin

28
Q

__ is the cause of sleeping sickness and skin disease

A

Trypanosoma

29
Q

Trypanosoma is caused by __

A

tse tse fly

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