Earthworm Flashcards

(47 cards)

1
Q

Ecto is

A

outer

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2
Q

end is

A

inner

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3
Q

repeated around central axis

A

radial symmetry

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4
Q

who undergoes cephalization

A

bilateral symmetry

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5
Q

cephalization

A

Many nerve cells and sensory structure concentrated at front of bod0y

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6
Q

Protostoems and deuterostomes two types of

A

bilateral symmetry

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7
Q

Domain

A

Eukarya

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8
Q

Kindgom

A

Anialia

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9
Q

Annelida

A

Phylum

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10
Q

Scientific name

A

Lumbricus terrestris

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11
Q

Earthworms are vertebrate or invertebrate?

A

Invertebrate

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12
Q

What type of circulatory system worms have?

A

Clsoed

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13
Q

They have a ___ digestive tract

A

complete

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14
Q

Anchor and control movement

A

setae

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15
Q

produces mucus glues worm together, secrets silky case protects eggs

A

clitellum

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16
Q

Sense enviro

A

Prostomium

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17
Q

Lubricates food by mucus secretions, making it slimy

A

Pharynx

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18
Q

storage/mixer

A

crop

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19
Q

continue to break down for aabsoprtion

20
Q

Increaes SA of the intestine for efficient section and absorption during digestion

21
Q

Filter/remove waste from body

22
Q

Produce, store, and release sperm

A

seminal vesicles

23
Q

receive sperm

A

seminal receptacles

24
Q

Wave-like muscle contraction moves solids/liquids along within strucutr, helps with digestin

25
Ventral is ___, dorsal is ___
pale flat | dark rounded
26
Prostomium located near __ end
anterior
27
Fluid-filled body cavity surrounded by esoderm
coelem
28
Where is clitellu
On dorsal, closer to anterior
29
Large sacs are
seminal vesicles
30
Ventral nerve cord made of
Ganglia | and three pairs of nerves in teach segment
31
Nephridiu located by
intestinal tract
32
Seminal vesicles located
above esophagus
33
Anterior is | Posterior is
cylindrical | flattened
34
3 comp circulatory system
Dorsal blood vessel Ventral blood vessel Hearts
35
Nephridia part of __ system
excretory
36
components nervous system
Ventral nerve cord | Brain
37
gamete =
sex cell
38
take in then break down
ingestive heterotroph
39
All animals
multicellur Heterotrophic Sexual reproduction and development Movement
40
Invertebrates v.
Chordates
41
First indentation = mouth
Potstomes
42
Second opening = mouth
Deuterostome
43
Post =
ventral
44
Ant. =
Dorsal
45
Having nervous strucutres near the tead
cephalization
46
A dog is a
quadruped
47
Human is a
biped