Which of the following are respiratory organs that facilitate exchange of gases with water

Which of the following are respiratory organs that facilitate exchange of gases with the air?

Which of the following is the structure that is a skirt-like extension of the upper body wall that produces a shell.

Which of the following is the tongue-like organ that mollusks use to scrape food from surfaces (contains teeth).

Which of the following is a muscular structure that makes up the lower body mass of mollusks and allows for movement?

Which of the following are the mollusk classes?

Which of the following mollusk classes contains snails and slugs?

Which of the following mollusk classes is most like ancient mollusks?

Which of the mollusk classes contain animals with a two-hinged shell that are filter feeders?

Which mollusk class includes squid, octopus, and cuttlefish?

Which of the following mollusk classes includes some of the smartest and fastest invertebrates?

Roundworms are unsegmented worms with a pseudocoelem.

Arthropods contain a reduced coelem.

Arthropods are mostly hermaphroditic organisms.

Arthropods exoskeleton is different than that of mollusks because it is made up of _______ instead of calcium.

Arthropods have modified sections with appendages.

Arthropods contain ________ to help them detect and respond to stimuli.

Which of the following are the arthropod classes?

Which of the following arthropod classes has animals with 2 distinct sections that are mostly marine and includes crabs and lobsters?

Which of the following arthropod classes includes mostly land organisms with antennae, wings, and compound eyes?

Which of the following arthropod classes includes animals that can be venomous or parasitic and have 4 pairs of walking legs?

Which of the following arthropod classes includes predators or scavengers that are nocturnal land dwellers with many similar segments?