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Diversity > ASCHELMINTHES > Flashcards

ASCHELMINTHES Flashcards

1
Q

Habitat

A

Endoparasitic

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2
Q

Body organization

A

Organ syatem

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3
Q

Body symmetry

A

Bilateral

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4
Q

Germ layer

A

triploblastic

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5
Q

coelom

A

pseudocoelomate

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6
Q

metameric segmentation

A

unsegmented

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7
Q

body plan

A

tube within tube

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8
Q

Respiratory organ free-living

A

body surface

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9
Q

Respiratory organ parasite

A

anaerobic

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10
Q

pigment for respiration

A

no pigment

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11
Q

type of circulation

A

open type

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12
Q

circulatory organ

A

absent

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13
Q

excretory organ

A

protonephridia ‘ H shaped renette cells’

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14
Q

excretory waste

A

ammonlelic

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15
Q

Digestive system

A

the first animal to have complete alimentary canal

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16
Q

Cloaca

A

present on the male aschelminthes only
terminating of alimentary canal
genital duct and urinary system
opening outside the duct

17
Q

muscular pharynx

A

first type muscle observed

18
Q

Digestion

A

extracellular

19
Q

Skeleton

A

Hydroskeleton

20
Q

nervous system

A

1 st nervous system

Brain ring/ cerebral ganglion

21
Q

reproductive body

A

unisexual

22
Q

maturity of sex organ

A

protandrous

23
Q

type of reproduction

A

only sexual reproduction

sexual body show: sexual dimorphism (differentiation in males and females)

24
Q

fertilization

A

internal + cross

25
Q

development

A

indirect & few have direct development

26
Q

examples

A 
Ascaris (roundworm)
ancylostoma (hookworm)
entrobious( pinworm)
waucheria (filanalworm)
trichinella

Diversity (2 decks)

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