Podcast
Questions and Answers
What is the primary function of the radula in mollusks?
What is the primary function of the radula in mollusks?
- To aid in locomotion
- To secrete a substance that hardens into a shell
- To filter feed
- To scrape food particles (correct)
What is the characteristic of the foot of mollusks?
What is the characteristic of the foot of mollusks?
- It is a flat muscular structure (correct)
- It is a spiny projection
- It is a hollow tube
- It is a segmented appendage
Which class of mollusks includes snails and slugs?
Which class of mollusks includes snails and slugs?
- Polyplacophora
- Bivalvia
- Cephalopoda
- Gastropoda (correct)
What is the function of the ink sac in cephalopods?
What is the function of the ink sac in cephalopods?
What is the characteristic of the skin of echinoderms?
What is the characteristic of the skin of echinoderms?
What is the characteristic of the lifestyle of most echinoderms?
What is the characteristic of the lifestyle of most echinoderms?
What is the primary function of a horseshoe crab's pedipalps?
What is the primary function of a horseshoe crab's pedipalps?
What is the name of the carbohydrate that makes up a horseshoe crab's exoskeleton?
What is the name of the carbohydrate that makes up a horseshoe crab's exoskeleton?
Where do horseshoe crabs typically lay their eggs?
Where do horseshoe crabs typically lay their eggs?
What is the approximate age of a horseshoe crab when it reaches reproductive maturity?
What is the approximate age of a horseshoe crab when it reaches reproductive maturity?
How many species of horseshoe crabs exist?
How many species of horseshoe crabs exist?
What is the primary source of food for horseshoe crabs?
What is the primary source of food for horseshoe crabs?
How many times can a juvenile horseshoe crab molt its exoskeleton?
How many times can a juvenile horseshoe crab molt its exoskeleton?
What is the purpose of the pheromones released by female horseshoe crabs?
What is the purpose of the pheromones released by female horseshoe crabs?
Where is the exoskeleton of echinoderms composed of calcium carbonate plates or ossicles located?
Where is the exoskeleton of echinoderms composed of calcium carbonate plates or ossicles located?
How do echinoderms reproduce sexually?
How do echinoderms reproduce sexually?
Which part of the horseshoe crab is often used for testing vaccines for sterility?
Which part of the horseshoe crab is often used for testing vaccines for sterility?
What is the ecological consequence of harvesting horseshoe crabs without regulation?
What is the ecological consequence of harvesting horseshoe crabs without regulation?
Which class of arthropods includes sea stars and sea urchins?
Which class of arthropods includes sea stars and sea urchins?
In which geological period did arthropods become some of the first animals to walk on land?
In which geological period did arthropods become some of the first animals to walk on land?
