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S 2 Bio Exam > Annelids > Flashcards

Annelids Flashcards

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Biology 101 flashcards
1
Q

Cephalization

A

Having a head with sense organs and nerves (ganglia)

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2
Q

Setae

A

External bristles that aid movement. 2-4 pairs per segment depending on species

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3
Q

Organs for digestion

A 
Pharynx- obtains food
Esophagus- moves food past heart
Crop- storage
Gizzard- grinds dirt
Intestine- absorbs nutrients
Anus- excretes waste
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4
Q

Organs for respiration

A

Breathe through skin by diffusion

Nephridia- eliminate liquid waste and balance H2O

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5
Q

Clitellum

A

Thick area on worm that secretes mucus that sticks worms together, is a medium for sperm travel, and creates a case to protect the young

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6
Q

Bodies are?

A

Segmented - segments match each other

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S 2 Bio Exam (12 decks)

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