Gastropod Characteristics and Adaptations

The video explores the fascinating world of gastropods, a group of invertebrates within the phylum Mollusca. It covers their ancient origins, primarily marine habitats, and their evolutionary journey to land. The video highlights the adaptations of marine and land gastropods, including the development of lungs and the use of mucus for various purposes. It also introduces nudibranchs, a type of marine slug known for their vibrant colors and unique defense mechanisms. The video concludes with a reflection on the diversity and adaptability of these creatures.

What is the taxonomic rank of gastropods?

• Vertebrates

• Amphibians

• Insects

• Invertebrates

How do marine gastropods primarily breathe?

• Through lungs

• Through gills

• Through spiracles

• Through skin

What adaptation allowed some gastropods to move from water to land?

• Development of a primitive lung

• Ability to photosynthesize

• Development of fins

• Ability to fly

What is a unique feature of slugs compared to snails?

• They have a hard shell

• They can shrink or stretch their length

• They live only in water

• They have wings

Why do snails estivate during hot, dry periods?

• To avoid predators

• To conserve moisture

• To find food

• To lay eggs

What is the primary color of most slugs?

• Green

• Blue

• Red

• Brown

What is one potential application of gastropod mucus in technology?

• Fuel for cars

• Antifreeze for airplanes

• Material for clothing

• Ingredient in food

What are nudibranchs known for?

• Having a hard shell

• Living in freshwater

• Being able to fly

• Their bright colors and exposed gills

What is the purpose of the bright colors in nudibranchs?

• To camouflage with the environment

• To warn predators of toxins

• To absorb sunlight

• To attract mates

What is a unique feature of the 'sea bunny' sea slug?

• It has a hard shell

• It can photosynthesize

• It resembles a rabbit

• It lives in freshwater