Subphylum Crustacea Part 3: Malacostraca, Branchiopoda, and More

The video tutorial provides an in-depth exploration of various crustacean classes, focusing on Malacostraca, Stomatopoda, Isopoda, Amphipoda, Euphausia, Decapoda, Cephalocarida, Branchiopoda, and Remipedia. It highlights their unique characteristics, ecological roles, and evolutionary traits. The tutorial concludes with a transition to the study of insects.

Which class is the largest among the pan crustacean classes, excluding Hexapoda?

• Remipedia

• Branchiopoda

• Malacostraca

• Cephalocarida

What is a unique feature of mantis shrimp from the order Stomatopoda?

• They have a large dorsal shield.

• They can perceive a wide range of light wavelengths.

• They have a large number of trunk segments.

• They are known for their cyclical parthenogenesis.

What is the primary ecological role of krill in marine ecosystems?

• They are terrestrial detritivores.

• They are known for their fossil record.

• They are top predators.

• They are important for carbon sequestration.

Which order within Malacostraca includes species like crabs and lobsters?

• Amphipoda

• Stomatopoda

• Isopoda

• Decapoda

What is a characteristic feature of the class Cephalocarida?

• They have a large dorsal shield.

• They are known for their extensive fossil record.

• They have an elongated body with a large head and thorax.

• They are capable of cyclical parthenogenesis.

Which class includes species commonly known as water fleas?

• Cephalocarida

• Remipedia

• Malacostraca

• Branchiopoda

What is a notable feature of the class Remipedia?

• They are blind cave-dwelling crustaceans.

• They are important for oceanic carbon sequestration.

• They have a large number of trunk segments.

• They are known for their colorful appearance.