Banded Snails Quiz

What family do banded snails belong to?

• Pulmonata

• Achatinidae

• Gastropodidae

• Helicidae

What is the range of colors and patterns found in banded snail shells?

• Yellow to dark brown, with no bands

• Yellow to dark brown, with five bands

• Green to black, with no bands

• Red to light brown, with three bands

Which bird species preys on banded snails?

• Hawk

• Owl

• Eagle

• Song thrush

What determines the color and pattern of the bands on banded snail shells?

• Genetics and heredity

• Climate

• Predator pressure

• Habitat

In which habitat do snails with lighter-colored shells have a lower body temperature?

• All habitats

• Hedge

• Wood

• Meadow

What type of climate are snails with darker-colored shells typically found in?

• Arctic climates

• Tropical climates

• Cool, woodland-like climates

• Warmer, open climates

According to Graph 2, how have the average winter and summer temperature deviations in Central Europe changed over time?

• Remained constant

• Fluctuated unpredictably

• Decreased steadily

• Increased steadily

How has the climate change impacted the population of yellow-banded snails, as shown in Figure 1?

• Caused them to become extinct

• Decreased their frequency in the modern range

• Increased their frequency in the historic range

• No impact on their frequency

How will Population 1 likely be affected if the trend shown in Graph 2 continues?

• Decreased genetic diversity

• No impact on survival

• Decreased risk of extinction

• Increased genetic diversity

Which snail color will offer the greatest selective advantage if the trends shown in Graph 2 continue?

• Brown

• Yellow

• Red

• Green