Marine Biology and Conservation Quiz

What determines the relative proportions of Benthic infauna and epifauna?

• Water temperature

• Sediment type

• Light availability

• Salinity

Which of the following is a driver of community structure in benthic environments?

• Light intensity

• Water depth

• Competition for resources

• Ocean currents

Which type of feeder relies on water currents to bring food particles to them?

• Active suspension feeders

• Deposit feeders

• Passive suspension feeders

• Scavengers

What do deposit feeders primarily ingest?

• Food particles from water

• Macroalgae

• Food particles from sediment

• Carcasses

Which type of feeder is known for feeding on macroalgae or microalgae?

• Carnivores

• Herbivores

• Scavengers

• Deposit feeders

Which of the following best describes the main characteristic of epifauna in benthic habitats?

• They float in the water column

• They migrate between habitats

• They live on the surface of the substrate

• They burrow within the sediment

How are the impacts of humans on benthic habitats generally understood?

• Well understood

• Poorly understood

• Completely unknown

• Fully documented

What section of the water column does the study of pelagic fish typically cover?

• Lower section

• Mid and upper section

• Surface only

• Deep ocean floor

Which of the following is a member of the Chondrichthyes class?

• Sunfish

• Marlin

• Shark

• Tuna

Which of the following sharks are considered planktivorous?

• Great white sharks

• Hammerhead sharks

• Whale sharks

• Tiger sharks