Phylum Nematoda & Annelid

Question 1

Muscles working in conjunction with water pressure

Answer 1

Hydrostatic skeleton

Question 2

Opening for the intake of food

Answer 2

Mouth

Question 3

Earthworms and relatives ( groups of Annelids )

Answer 3

Class oligochaeta

Question 4

Contains leeches ( groups of annelids )

Answer 4

Class hirudinea

Question 5

Blood never leaving the blood vessels

Answer 5

Closed circulatory system

Question 6

Parasitic disease caused by filarial worms(nematoda)

Answer 6

Elephantiasis

Question 7

Muscular tube connecting the mouth to the esophagus

Answer 7

Pharynx

Question 8

Bristles found on body segments

Answer 8

Setae

Question 9

Food storage area found in annelids

Answer 9

Crop

Question 10

Digestive organ for grinding food prior to absorption

Answer 10

Gizzard

Question 11

Roundworms

Answer 11

Phylum nematoda

Question 12

Nematode worm found in humans transmitted via drinking water contaminated with larvae (nematoda)

Answer 12

Guinea worm

Question 13

Method for transporting materials through thin bodied animals

Answer 13

Diffusion

Question 14

Reproductive structure found on outside of earthworm (annelida)

Answer 14

Clitellum

Question 15

Blood vessel located on underside of earthworm (annelida)

Answer 15

Ventral vessel

Question 16

Cells that detect gravity

Answer 16

Statocyst

Question 17

Hearts of earthworms (annelida)

Answer 17

Aortic arches

Question 18

Having 2 digestive tract openings

Answer 18

Tube-within-a-tube

Question 19

Membrane separating segments

Answer 19

Septa

Question 20

Excretory organs that filter fluid of nitrogenous wastes in coelom

Answer 20

Nephridia

Question 21

Body cavity ( false coelom ) only partially lined with mesoderm

Answer 21

Pseudocoelom

Question 22

Segmented worms/ earthworms

Answer 22

Phylum Annelida

Question 23

Opening for the excretion of wastes

Answer 23

Anus

Question 24

Dorsal vessel

Answer 24

Top side of worm