Lab 7: Snails

Question 1

pneumostone

Answer 1

• the respiratory pore
• connects the lungs to the external environment
• can be opened and closed to allow terrestrial slugs to breathe

Question 2

chiral

Answer 2

-spiral in the snail (shell)

Question 3

nephridium

Answer 3

-kidney

Question 4

viviparidae

Answer 4

• aquatic group of snails
• cannot respire in air
• have a single set of tentacles on their heads

Question 5

ampullariids

Answer 5

• land snails
• have a lung and gills
• capable of respiring in either aquatic or terrestrial environments
• have short ocular penducles

Question 6

operculum

Answer 6

• gill cover

- helps orientation

Question 7

afferent bronchial vessel

Answer 7

-delivers deoxygenated blood to the heart