KEY

1

Annelid Practice

Part 1 – Short Answer

slugs

little ring

sectional dividing walls made of tissue

protuberances from body wall

segmented

coelom

capture (jaws) or eat (soil)

polychaetes

Suck soil into mouth

crop gizzard

closed

dorsal and ventral vessels

gills

diffusion

nephridia

yes non, they have fluid pressure in coelom

longitudinal and transverse

clitellum

olligochaetes

undigested sand, clay particles, and undigestable organic material

leeches

parasites for blood and fluids

probosis

anticoagulant, limb reattachment

marine worms

marine worms

KEY

2

Part 2 - Label the Following Diagram of an Earthworm

intestines of soil

birds, rats, moles

chemicals, temperature and sunlight

True

True

85 60

a.