Biology Quiz - Worm

Question 1

Anterior

Answer 1

Closer to the clitellum

Question 2

Mouth

Answer 2

Deposit feeder, soil into mouth, absorbtion of nutrients with digestive system, returns soil and unused organic material to ground

Question 3

Clitellum

Answer 3

Reproductuve structure, produces the slime tube/cocoon which accepts the sperm and eggs, external fertilization in the cocoon

Question 4

Posterior

Answer 4

Greater distance from the clitellum

Question 5

Ventral

Answer 5

Bottom side, lighter color, setae which feel like sandpaper/bristle

Question 6

Dorsal

Answer 6

Top side, darker color

Question 7

Circulatory System

Answer 7

Closed

Question 8

Dorsal Blood Vessel

Answer 8

“Pumping” vessal, darker in color

Question 9

Aortic Arches

Answer 9

Carry blood from the dorsal blood vessel toward the ventral side, helps maintain pressure, dark in color, labeled heart in many books

Question 10

Seminal Vesicles

Answer 10

Store sperm produced within the worm (globular)

Question 11

Seminal Receptacles

Answer 11

Store sperm received from another worm (spherical)

Question 12

Pharynx

Answer 12

Swallows food (Soil), muscular tube, connects to estophagus

Question 13

Estophagus

Answer 13

Movement of food (Soil) toward crops, liest below aortic arches

Question 14

Crop

Answer 14

Food storage, similar to the stomach of a vertebrate, thin walled

Question 15

Gizzard

Answer 15

Grinds food, thick walled, muscular

Question 16

Intestine

Answer 16

Food digestion and nutrients absorption