Phylum Annelida: Leeches

Question 1

Cuticle

Answer 1

is a protective, outer layer covering the body, providing support and preventing dehydration.

Question 2

Clitellum

Answer 2

is a specialized region in certain annelids responsible for secreting a mucous cocoon during reproduction.

Question 3

Prostomium

Answer 3

is the anterior part of the body, often bearing sensory structures or appendages, contributing to functions like feeding and orientation.

Question 4

Setae

Answer 4

are bristle-like structures on the body of annelids, providing traction and aiding in locomotion.

Question 5

Nephridia

Answer 5

are excretory organs in annelids responsible for removing metabolic wastes from the body.

Question 6

Pharynx

Answer 6

is a muscular tube used for both food ingestion and the pumping of soil or water for filter-feeding.

Question 7

Esophagus

Answer 7

is a muscular tube in annelids that connects the mouth to the crop, facilitating the passage of ingested food.

Question 8

Crop

Answer 8

is an enlarged, temporary storage organ where food is stored before being passed to the gizzard for further processing.

Question 9

Gizzard

Answer 9

is a muscular organ that grinds and breaks down food particles, aiding in digestion before passing them to the intestine.

Question 10

Intestine

Answer 10

in annelids is the tubular digestive organ where nutrients are absorbed from the partially digested food, playing a crucial role in the digestive process.

Question 11

Chaeta

Answer 11

mean teeth in latin, refers to many bristles that come out of the parapods along their body

Question 12

Parapods

Answer 12

fleshy lateral extensions from each body segment

Question 13

Oral Chaeta

Answer 13

specialized into teeth capable of piercing the body covering of their hosts

Question 14

Hirudin

Answer 14

chemical secreted which is both anaesthetic and an anticoagulant, allows blood to continue to flow without alerting host