Earthworm

Question 1

(1)Prostomium

Answer 1

covers its mouth, helps it crawl into soil, and acts as a sensory organ.

Question 2

(2)Mouth

Answer 2

entry point for food into its digestive system

Question 3

(3)Segment

Answer 3

allow it to move, burrow, and maintain its structure

Question 4

(4)openings of seminal receptacles

Answer 4

receive sperm from another earthworm during mating

Question 5

(6)opening of vas deferens

Answer 5

exit point for sperm,

Question 6

(5)opening of oviduct

Answer 6

allows eggs to pass out of the body

Question 7

(7)setae

Answer 7

help the worm grip onto the soil, allowing it to move and burrow

Question 8

(8)genital setae

Answer 8

help anchor the worm during reproduction

Question 9

(9)clitellum

Answer 9

Helps with reproduction and the cocoon formation.

Question 10

(10)anus

Answer 10

the opening where undigested food and waste are excreted

Question 11

(16)Crop

Answer 11

stores food before it’s digested

Question 12

(17)Gizzard

Answer 12

grinds up food so that it can be digested

Question 13

(18)Intestine

Answer 13

breaks down food that are absorbed into bloodstream

Question 14

(23)supraesophogeal ganglion

Answer 14

Control center (brain)

Question 15

(25)pharynx

Answer 15

helps the worm swallow food and soil

Question 16

(27)Esophagus

Answer 16

release excess calcium from body

Question 17

(28)aortic arches

Answer 17

(Hearts) pump blood throughout its body

Question 18

(35)Dorsal Blood vessel

Answer 18

carries blood from the back end of the worm to the front end