Coelomate - Annelida

Question 1

Common name for phylum Annelida

Answer 1

Segmented worm

Question 2

What is the layout of annelida’s organ systems

Answer 2

each segment contains a different organ

Question 3

types of muscles present in annelida

Answer 3

circular and longitudinal

Question 4

Circulatory system and blood structure in annelida

Answer 4

Closed circulatory system and hemoglobin in blood

Question 5

Skeleton

Answer 5

hydrostatic

Question 6

habitats of annilida

Answer 6

marine and freshwater and soil,

Question 7

Class Oligochaeta includes _______

Answer 7

earthworms

Question 8

classes of phylum Anellida

Answer 8

Oligochaeta, polychaeta, Hirudinae,

Question 9

Reproductivemode of earthworms?

Answer 9

hermaphrodite

Question 10

affect of earthworm on soil?

Answer 10

improve soil texture

Question 11

Class Polychaeta includes ________

Answer 11

marine and fan worms

Question 12

what are parapodia? What class of annelida do they belong to

Answer 12

Highly vascularized paired appendages used for locomotion and gas exchange

Question 13

Class Hirudinea includes

Answer 13

leeches

Question 14

Most leeches are ________ but some are ________

Answer 14

Parasitic but some are carnivores

Question 15

Class Hirudinea have suckers_______

Answer 15

on both ends

Question 16

habitats of class Hirudinae

Answer 16

mostly fresh water, some moist vegetation

Question 17

Describe feeding process for those that feed on blood

Answer 17

makes hole in skin
Secretes anesthetic while making whole,
secretes HIRUDIN (anticoagulant) into wound

Question 18

what is hirundin?

Answer 18

anticoagulant released by bloodsucking leeches to increase blood flow.